Name: ________________________ Class: ___________________ Date: __________ ID: A

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Review for Diagnostic Exam for PHYS11

Multiple ChoiceIdentify the letter of the choice that best completes the statement or answers the question.

____ 1. The unit of work, joule, is dimensionally the same as:a. newton/second.b. newton/kilogram.c. newton-second.d. newton-meter.e. newton/meter.

____ 2. Rupel pushes a box 5.00 m by applying a 25.0-N horizontal force. What work does she do?a. 10.0 Jb. 25.0 Jc. 125 Jd. 550 Je. 750 J

____ 3. A horizontal force of 100 N is applied to move a 45-kg cart across a 9.0-m level surface. What work is done by the 100-N force?a. 405 Jb. 500 Jc. 900 Jd. 4 500 Je. 5600 J

____ 4. Which of the following is an example of a nonconservative force?a. gravityb. magnetismc. frictiond. Both choices A and B are valid.e. Both choices A and C are valid.

____ 5. Which of the following is that form of energy associated with an object's motion?a. potentialb. thermalc. bio-chemicald. kinetice. nuclear

____ 6. Which of the following is that form of energy associated with an object's location in a conservative force field?a. potentialb. thermalc. bio-chemicald. kinetice. nuclear

Name: ________________________ ID: A

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____ 7. What is the kinetic energy of a 0.135-kg baseball thrown at 40.0 m/s (90.0 mph)?a. 54.0 Jb. 87.0 Jc. 108 Jd. 216 Je. 256 J

____ 8. If both mass and velocity of a ball are tripled, the kinetic energy is increased by a factor of:a. 3.b. 6.c. 9.d. 27.e. 81.

____ 9. If during a given physical process the only force acting on an object is friction, which of the following must be assumed in regard to the object's kinetic energy?a. decreasesb. increasesc. remains constantd. cannot tell from the information givene. increases up to the maximum and then remains constant

____ 10. A very light cart holding a 300-N box is moved at constant velocity across a 15-m level surface. What is the net work done in the process?a. zerob. 1/20 Jc. 20 Jd. 2 000 Je. 4500 J

____ 11. A 7.00-kg bowling ball falls from a 2.00-m shelf. Just before hitting the floor, what will be its kinetic energy? (g = 9.80 m/s2 and assume air resistance is negligible)a. 14.0 Jb. 19.6 Jc. 29.4 Jd. 137 Je. 156 J

____ 12. As an object is lowered into a deep hole in the surface of the earth, which of the following must be assumed in regard to its potential energy?a. increaseb. decreasec. remain constantd. cannot tell from the information givene. increases up to the maximum and then remains constant

____ 13. When an object is dropped from a tower, what is the effect of the air resistance as it falls?a. does positive workb. increases the object's kinetic energyc. increases the object's potential energyd. increases the total energy of the objecte. None of the above choices are valid.

Name: ________________________ ID: A

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____ 14. Samantha pushes a 50-N crate up a ramp 25.0 m in length and inclined at 10° with the horizontal. What potential energy change does the crate experience?a. 13 Jb. 55 Jc. 120 Jd. 220 Je. 280 J

____ 15. A hill is 100 m long and makes an angle of 12° with the horizontal. As a 50-kg jogger runs up the hill, how much work does gravity do on the jogger?a. 49 000 Jb. 10 000 Jc. -10 000 Jd. zeroe. -49 000 J

____ 16. A 2.00-kg ball has zero kinetic and potential energy. Ernie drops the ball into a 10.0-m-deep well. Just before the ball hits the bottom, the sum of its kinetic and potential energy is:a. zero.b. 196 J.c. -196 J.d. 392 J.e. -392 J.

____ 17. Two blocks are released from the top of a building. One falls straight down while the other slides down a smooth ramp. If all friction is ignored, which one is moving faster when it reaches the bottom?a. The block that went straight down.b. The block that went down the ramp.c. They both will have the same speed.d. Insufficient information to work the problem.

____ 18. The quantity of work equal to one joule is also equivalent to which of the following?a. wattb. watt /sc. watt × sd. watt /s2

e. watt × s2

____ 19. The rate at which work is done is equivalent to which of the following?a. increase in potential energyb. thermal energyc. potential energyd. powere. kinetic energy

____ 20. The unit of power, watt, is dimensionally the same as:a. joule-second.b. joule/second.c. joule-meter.d. joule/meter.e. joule-kilogram.

Name: ________________________ ID: A

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____ 21. A 200-hp engine can deliver, in SI units, an average power of ____. (1 hp = 746 W)a. 200 Wb. 74 600 Wc. 149 000 Wd. 298 000 We. 326 000 W

____ 22. The area under the force vs. displacement curve represents:a. area.b. force.c. work.d. coefficient of static friction.e. power.

____ 23. A valid unit for momentum is which of the following?a. kg×m/s2

b. kg/m2

c. kg×m/sd. N×me. N/m

____ 24. The dimensional equivalent of the quantity impulse in terms of the fundamental quantities (mass, length, time) is which of the following?a. MLT-1

b. ML2T-2

c. MLTd. MLT-2

e. ML2T____ 25. The impulse experienced by a body is equivalent to its change in:

a. velocity.b. kinetic energy.c. momentum.d. potential energy.e. None of the above choices are valid.

____ 26. The dimensional equivalence of the quantity "momentum" in terms of the fundamental quantities (mass, length, time) is:a. MLT-1.b. ML2T-2.c. MLT.d. MLT-2.e. ML2T

____ 27. A ball with original momentum +4.0 kg×m/s hits a wall and bounces straight back without losing any kinetic energy. The change in momentum of the ball is:a. 0.b. -4.0 kg×m/s.c. 8.0 kg×m/s.d. -8.0 kg×m/s.e. 4.0 kg×m/s.

Name: ________________________ ID: A

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____ 28. The units of impulse are equivalent to:a. those of energy.b. N×m.c. kg×m/s.d. those of force.e. N/m.

____ 29. The law of conservation of momentum is applicable to systems made up of objects described by which of the following?a. macroscopicb. microscopicc. interacting through frictiond. All the above choices are valid.e. None of the above.

____ 30. If the momentum of an object is tripled, its kinetic energy will change by what factor?a. zerob. one-thirdc. threed. ninee. None of the above.

____ 31. The kinetic energy of an object is quadrupled. Its momentum will change by what factor?a. zerob. twoc. eightd. foure. None of the above.

____ 32. A moderate force will break an egg. However, an egg dropped on the road usually breaks, while one dropped on the grass usually doesn't break. This is because for the egg dropped on the grass:a. the change in momentum is greater.b. the change in momentum is less.c. the time interval for stopping is greater.d. the time interval for stopping is less.e. Both choices A and C are valid.

____ 33. A billiard ball collides in an elastic head-on collision with a second stationary identical ball. After the collision which of the following conditions applies to the first ball?a. maintains the same velocity as beforeb. has one half its initial velocityc. comes to restd. moves in the opposite directione. Both choices B and D are valid.

____ 34. A billiard ball collides in an elastic head-on collision with a second identical ball. What is the kinetic energy of the system after the collision compared to that before collision?a. the same asb. one fourthc. twiced. four timese. None of the above choices are valid.

Name: ________________________ ID: A

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____ 35. In a two-body collision, if the momentum of the system is conserved, then which of the following best describes the kinetic energy after the collision?a. must be lessb. must also be conservedc. may also be conservedd. is doubled in valuee. is halved in value

____ 36. In a two-body collision, if the kinetic energy of the system is conserved, then which of the following best describes the momentum after the collision?a. must be lessb. must also be conservedc. may also be conservedd. is doubled in valuee. is halved in value

____ 37. If a two-body collision is not head-on, then we may always assume that:a. momentum is conserved.b. kinetic energy is conserved.c. neither momentum nor kinetic energy are conserved.d. both momentum and kinetic energy are conserved.e. none of the above choices are valid.

____ 38. In a system with two moving objects, when a collision occurs between the objects:a. the total kinetic energy is always conserved.b. the total momentum is always conserved.c. the total kinetic energy and total momentum are always conserved.d. neither the kinetic energy nor the momentum is conserved.e. none of the above choices are valid.

____ 39. When a collision is perfectly inelastic, then:a. all the kinetic energy is conserved.b. all the kinetic energy is gone.c. the participants stick together.d. the total momentum is zero.e. both choices A and C are valid.

____ 40. Neglecting gravity, doubling the exhaust velocity from a single stage rocket initially at rest changes the final velocity attainable by what factor? Assume all other variables, such as the mass of the rocket and the mass of the fuel, do not change.a. The final velocity stays the same.b. The final velocity doubles.c. The final velocity increases by a factor of 0.693.d. The final velocity increases by a factor of 0.310.e. None of the above choices are valid.

____ 41. 2 600 rev/min is equivalent to which of the following?a. 2600 rad/sb. 43.3 rad/sc. 273 rad/sd. 60 rad/se. 56 rad/s

Name: ________________________ ID: A

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____ 42. A grindstone spinning at the rate of 8.3 rev/s has what approximate angular speed?a. 3.2 rad/sb. 26 rad/sc. 52 rad/sd. 81 rad/se. 97 rad/s

____ 43. A 0.12-m-radius grinding wheel takes 5.5 s to speed up from 2.0 rad/s to 11.0 rad/s. What is the wheel's average angular acceleration?a. 9.6 rad/s2

b. 4.8 rad/s2

c. 1.6 rad/s2

d. 0.33 rad/s2

e. 0.27 rad/s2

____ 44. A 0.30-m-radius automobile tire rotates how many rad after starting from rest and accelerating at a constant 2.0 rad/s2 over a 5.0-s interval?a. 12.5 radb. 25 radc. 2.0 radd. 0.50 rade. 0.25 rad

____ 45. Starting from rest, a wheel undergoes constant angular acceleration for a period of time T. At what time after the start of rotation does the wheel reach an angular speed equal to its average angular speed for this interval?a. 0.25 Tb. 0.50 Tc. 0.67 Td. 0.71 Te. 0.82 T

____ 46. Starting from rest, a wheel undergoes constant angular acceleration for a period of time T. At which of the following times does the average angular acceleration equal the instantaneous angular acceleration?a. 0.50 Tb. 0.67 Tc. 0.71 Td. all of the abovee. none of the above

____ 47. A ventilation fan has blades 0.25 m in radius rotating at 20 rpm. What is the tangential speed of each blade tip?a. 0.02 m/sb. 0.52 m/sc. 5.0 m/sd. 20 m/se. 23 m/s

Name: ________________________ ID: A

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____ 48. A 0.30-m-radius automobile tire accelerates from rest at a constant 2.0 rad/s2 over a 5.0-s interval. What is the tangential component of acceleration for a point on the outer edge of the tire during the 5-s interval?a. 33 m/s2

b. 6.7 m/s2

c. 0.60 m/s2

d. 0.30 m/s2

e. 0.25 m/s2

____ 49. Consider a point on a bicycle tire that is momentarily in contact with the ground as the bicycle rolls across the ground with constant speed. The direction for the acceleration for this point at that moment is:a. upward.b. down toward the ground.c. forward.d. at that moment the acceleration is zero.e. none of the above.

____ 50. A wheel is rotated about a horizontal axle at a constant angular speed. Next it is rotated in the opposite direction with the same angular speed. The acceleration at a point on the top of the wheel in the second case as compared to the acceleration in the first case:a. is in the same direction.b. is in the opposite direction.c. is upward.d. is tangential to the wheel.e. none of the above.

____ 51. At what location does an artificial Earth satellite in elliptical orbit have its greatest speed?a. nearest the Earthb. farthest from the Earthc. between Earth and Moond. between Earth and Sune. nearest the Moon

____ 52. Which of the following best describes the property of the period of orbital revolution for an Earth satellite?a. greater when the orbital radius is smallerb. greater when the orbital radius is largerc. independent of the orbital radiusd. determined mainly by the satellite's masse. none of the above

____ 53. Of the nine known planets in our solar system, the innermost is Mercury. When compared to the other planets in the system, Mercury has the:a. greatest centripetal acceleration.b. greatest period of revolution.c. smallest angular velocity.d. smallest tangential velocity.e. both choices A and D are valid.

Name: ________________________ ID: A

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____ 54. According to Kepler's second law, Halley's Comet circles the Sun in an elliptical path with the Sun at one focus of the ellipse. What is at the other focus of the ellipse?a. nothingb. the Earthc. The comet itself passes through the other focus.d. The tail of the comet stays at the other ellipse.e. the Jupiter

____ 55. In order for a satellite to be geosynchronous, its orbit must:a. go over the North and South Poles.b. be over the equator.c. be over a single longitude.d. emit television signals.e. none of the above.

____ 56. A vault is opened by applying a force of 300 N perpendicular to the plane of the door, 0.80 m from the hinges. Find the torque due to this force about an axis through the hinges.a. 120 N×mb. 240 N×mc. 300 N×md. 360 N×me. 420 N×m

____ 57. A hoop of radius 1.0 m is placed in the first quadrant of an xy-coordinate system with its rim touching both the x-axis and the y-axis. What are the coordinates of its center of gravity?a. (1.0, 1.0) mb. (0.7, 0.7) mc. (0.5, 0.5) md. Since there is nothing at the center of the hoop, it has no center of gravity.e. None of the above.

____ 58. The quantity "moment of inertia" (in terms of the fundamental quantities of mass, length, and time) is equivalent to:a. ML2T-2.b. ML.c. ML2.d. ML-1T-2.e. ML-2.

____ 59. If a net torque is applied to an object, that object will experience:a. a constant angular speed.b. an angular acceleration.c. a constant moment of inertia.d. an increasing moment of inertia.e. none of the above.

____ 60. According to Newton's second law, the angular acceleration experienced by an object is directly proportional to:a. its moment of inertia.b. the net applied torque.c. the object's size.d. choices a and b above are both valid.e. none of the above.

Name: ________________________ ID: A

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____ 61. A ventilation fan with a moment of inertia of 0.034 kg×m2 has a net torque of 0.11 N×m applied to it. What angular acceleration does it experience?a. 5.3 rad/s2

b. 4.0 rad/s2

c. 3.2 rad/s2

d. 0.31 rad/s2

e. 0.25 rad/s2

____ 62. The Earth moves about the Sun in an elliptical orbit. As the Earth moves closer to the Sun, which of the following best describes the Earth-Sun system's moment of inertia?a. decreasesb. increasesc. remains constantd. none of the above choices are valid

____ 63. A bowling ball has a mass of 7.0 kg, a moment of inertia of 2.8 ´ 10-2 kg×m2 and a radius of 0.10 m. If it rolls down the lane without slipping at a linear speed of 4.0 m/s, what is its angular speed?a. 0.80 rad/sb. 10 rad/sc. 0.050 rad/sd. 40 rad/se. 4 rad/s

____ 64. A bucket of water with total mass 23 kg is attached to a rope, which in turn is wound around a 0.050-m radius cylinder at the top of a well. The bucket is raised to the top of the well and released. The bucket is moving with a speed of 8.0 m/s upon hitting the water surface in the well. What is the angular speed of the cylinder at this instant?a. 39 rad/sb. 79 rad/sc. 120 rad/sd. 160 rad/se. 190 rad/s

____ 65. The total kinetic energy of a baseball thrown with a spinning motion is a function of:a. its linear speed but not rotational speed.b. its rotational speed but not linear speed.c. both linear and rotational speeds.d. neither linear nor rotational speed.e. none of the above.

____ 66. The quantity "angular momentum" (in terms of the fundamental quantities of mass, length, and time) is equivalent to:a. MLT-2.b. ML2T-1.c. ML2T-3.d. ML3T.e. MLT-1.

Name: ________________________ ID: A

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____ 67. A figure skater with arms initially extended starts spinning on the ice at 3 rad/s. She then pulls her arms in close to her body. Which of the following results?a. a smaller rotational rateb. a greater rotational ratec. a greater angular momentumd. a smaller angular momentume. both choices B and D are valid.

____ 68. An ice skater spins at 2.5 rev/s when his arms are extended. He draws his arms in and spins at 6.0 rev/s. By what factor does his moment of inertia change in the process?a. 2.4b. 1.0c. 0.42d. 0.12e. 0.10

____ 69. An object with mass m and moment of inertia I is spinning with an angular momentum L. Its kinetic energy is:a. 0.5 I2/L.b. 0.5 L2/I.c. 0.5 L2/m.d. 0.5 I2/m.e. 0.5 I2/ L2.

____ 70. Which state of matter is associated with the very highest of temperatures?a. liquidb. plasmac. gasd. solide. both choices B and C are valid.

____ 71. In an elastic solid there is a direct proportionality between strain and:a. elastic modulus.b. temperature.c. cross-sectional area.d. stress.e. none of the above.

____ 72. The quantity "stress" expressed in terms of the fundamental quantities (mass, length, time) is equivalent to:a. MLT-1.b. ML-1T-2.c. M2L-1T-3.d. M2L-1T-2.e. a dimensionless quantity.

____ 73. The quantity "strain" expressed in terms of the fundamental quantities (mass, length, time) is equivalent to:a. MLT-1.b. ML-1T-2.c. M2L-1T-3.d. a dimensionless quantity.e. none of the above.

Name: ________________________ ID: A

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____ 74. The bulk modulus of a material, as a meaningful physical property, is applicable to which of the following?a. only solidsb. only liquidsc. only gasesd. solids, liquids and gasese. solids and liquids

____ 75. Bar One has a Young's modulus that is bigger than that of Bar Two. This indicates Bar One:a. is longer than Bar Two.b. has a greater cross-sectional area than Bar Two.c. has a greater elastic limit than Bar Two.d. is made of material that is different from Bar Two.e. both choices A and D are valid.

____ 76. The quantity "pressure" expressed in terms of the fundamental quantities (mass, length, time) is equivalent to:a. MLT-1.b. ML-1T-2.c. M2L-1T-3.d. MLT-2.e. a dimensionless quantity.

____ 77. A solid object is made of two materials, one material having density of 2 000 kg/m3 and the other having density of 6 000 kg/m3. If the object contains equal volumes of the materials, what is its average density?a. 3 000 kg/m3

b. 4 000 kg/m3

c. 5 300 kg/m3

d. 6 200 kg/m3

e. more information is needed____ 78. In a large tank of liquid, the hydrostatic pressure at a given depth is a function of:

a. depth.b. surface area.c. liquid density.d. Choices a and c are both valid.e. Choices a and b are both valid.

____ 79. A piece of aluminum has density 2.70 g/cm3 and mass 775 g. The aluminum is submerged in a container of oil (oil's density = 0.650 g/cm3). How much oil does the metal displace?a. 287 cm3

b. 309 cm3

c. 232 cm3

d. 1 125 cm3

e. 526 cm3

Name: ________________________ ID: A

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____ 80. What volume of water is displaced by a submerged 2.0-kg cylinder made of solid aluminum? (aluminum density = 2.7 ´ 103 kg/m3 and water density = 1.0 ´ 103 kg/m3)a. 7.4 ´ l0-4 m3

b. 1.4 ´ 103 m3

c. 9.9 ´ 103 m3

d. 6.0 ´ 102 m3

e. 4.2 ´ 102 m3

____ 81. A unit for viscosity, the centipoise, is equal to which of the following?a. 10-3 N·s/m2

b. 10-2 N·s/m2

c. 10-1 N·s/m2

d. 102 N·s/m2

e. 103 N·s/m2

____ 82. The condition for onset of turbulent flow is that the Reynolds Number reaches what value?a. 1 000b. 2 000c. 3 000d. 4 000e. 5 000

____ 83. Which of the following characterizes the net force on a particle falling through a fluid at its terminal speed?a. It is at a maximum.b. It is upwards.c. It is downwards.d. It is zero.e. It is at a minimum.

CompletionComplete each sentence or statement.

84. The ____________________ distance from the line of action of a force to the point of rotation is known as the ____________________.

85. The ____________________ of a body is that point at which all the weight of the body may be considered to be concentrated.

86. The second condition for equilibrium states that the sum of all the _____________________ acting on an object must be ______________________.

87. By convention, torques that tend to cause clockwise motion are considered ____________________ , and those that tend to cause counterclockwise motion are considered ____________________.

88. If the line of action of a force passes through the axis of rotation, the moment arm is ____________________.

89. In problems involving nonconcurrent forces, both the resultant ___________________ and the resultant ____________________ must be zero.

90. The unit for moment of force in the SI system is the ____________________.

Name: ________________________ ID: A

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91. The center of gravity of a regular solid of uniform density, such as a sphere or cube, is located at ____________________.

92. An alternate way of computing the torque due to a single force is to resolve the force into parallel and perpendicular components and ____________________.

93. Three tools that utilize the principle of torque are ____________________, ______________________, and ____________________.

94. Three examples of potential energy are ____________________, ____________________, and ____________________.

95. The work of a resultant external force on a body is equal to the change in ____________________ of the body.

96. The total mechanical energy of a body is the sum of its _____________________. This total is ____________________ in the absence of friction.

97. A force of 1 N acting through a distance of 1 m represents ____________________ equal to 1 ____________________.

98. ____________________ is the rate at which work is done.

99. The net work done by a number of forces acting on the same object is equal to the work of ____________________ force.

100. The kilowatt-hour is a unit of ____________________.

101. When the resultant force on an object is opposite to the direction of displacement, the work is considered ____________________.

102. Two things that are necessary in the performance of work are ____________________ and ____________________.

103. The product of force and velocity is a measure of ____________________.

104. An elastic collision is one in which both ____________________ and ____________________ are conserved.

105. ____________________ is the product of mass and velocity and has the metric units ____________________.

106. The negative ratio of the relative velocities after impact to the relative velocities before impact is known as the ____________________.

107. The product of the average force acting on a body and the time of action is called ____________________, and it is equal to the ____________________ of the body.

108. The coefficient of restitution has a maximum value of ____________________ for a perfectly ____________________ impact and a minimum value of ____________________ for a perfectly ____________________ impact.

109. If two colliding bodies stick together after impact and move off with the same velocity, the impact is said to be ____________________.

110. In USCS, the unit for impulse is _____________________ , and the unit for momentum is ____________________.

Name: ________________________ ID: A

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111. When a rifle is fired, the ____________________ of the bullet is the same as the recoil ____________________ of the rifle.

112. The square root of the ratio of the height to which a ball bounces to its original height is a measure of the ____________________.

113. The vigor with which an object restores itself to its original shape after deformation is a measure of its ____________________.

114. The angular displacement in ____________________ is the ratio of the length of arc to its ____________________.

115. If the sum of the external ____________________ acting on a body or system of bodies is zero, the angular ____________________ remains unchanged. This is a statement of the conservation of ____________________.

116. Rotational work is the scalar product of ____________________ and ____________________.

117. A resultant torque applied to a rigid body will always result in a(n) ____________________ that is directly proportional to the applied ____________________ and inversely proportional to the body's ____________________.

118. The USCS units of the moment of inertia are ____________________.

119. The ratio of the tangential acceleration to the ____________________ is equal to the radius of revolution.

120. In rotational motion, the final angular velocity is equal to the initial ____________________ plus the product of the angular ____________________ and ____________________.

121. The ____________________ is the radial distance from the center of rotation to a point at which the total mass of the body might be concentrated without changing its ____________________.

122. The linear speed divided by the radius of rotation is the ____________________ of the body.

123. Rotational power is equal to the product of ____________________ and angular ____________________.

124. Three types of stress are _____________________, _____________________, and _____________________.

125. The constant ratio of stress to strain is called the _____________________.

126. _____________________ is the relative change in the dimensions or shape of a body as a result of an applied force.

127. Whenever a shearing stress is applied, the strain can be approximated by _____________________.

128. The reciprocal of the bulk modulus is called _____________________ and is denoted by the symbol _____________________.

129. The stress on a body is the ratio of ______________________ to ______________________.

130. The ultimate strength of a material is always ______________________ its elastic limit.

131. Provided that the ____________________ is not exceeded, an elastic strain is directly proportional to the ____________________. This is a statement of ____________________ law.

Name: ________________________ ID: A

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132. The term elastic limit refers to the maximum ____________________ a body can experience without becoming permanently deformed.

133. The only elastic modulus that applies for liquids is the _____________________.

134. The ____________________ is used to compare the motion of an object moving in a circle with its horizontal projection.

135. In simple harmonic motion, when the displacement is a maximum, the ____________________ is zero and the ____________________ is a maximum.

136. The product of the amplitude and the cosine of the reference angle is the ____________________ of a body vibrating with simple harmonic motion.

137. The ____________________ and therefore the ____________________ of a vibrating object are zero at the center of oscillation.

138. In simple harmonic motion, the ____________________ and the ____________________ are always opposite in sign.

139. To calculate the period for a torsion pendulum, we must know the ____________________ of the disk and the ____________________.

140. The period can be computed if the acceleration is known at a particular ____________________.

141. In simple harmonic motion, the restoring force is directly proportional to the ____________________ and __________________ in direction.

142. If the frequency f is to be calculated from the known spring constant k, we must know the ___________________ of the vibrating body.

143. For the vibration of a pendulum to approximate simple harmonic motion, the ____________________ must be small.

144. Gauge pressure is ____________________ pressure less ____________________ pressure.

145. The forces exerted by a fluid on the walls of its container are always____________________.

146. The fluid pressure is directly proportional to the ____________________ of the fluid and to its ____________________.

147. Fluid pressure is independent of the ____________________ or ____________________ of its container.

148. The weight density of a body is equal to the ratio of its ____________________ to its __________________. Is it a universal constant for a given material? ____________________.

149. An object that is completely or partly submerged in a fluid experiences an upward force, called the ____________________ force, which is equal to the ____________________ of the fluid displaced. This is ____________________ principle.

150. An open, U-shaped tube partially filled with mercury can be used to measure ____________________ pressure. Such a device is called a(n) ____________________.

151. If the weight of the displaced fluid exceeds the weight of a submerged body, the body will ____________________.

Name: ________________________ ID: A

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152. The ____________________ press operates on the principle that an output pressure is essentially equal to an input pressure. This principle was named after ______________________.

153. The ideal mechanical advantage for a hydraulic press is the ratio of the ____________________ of the output piston to that of the input piston.

154. The ____________________ is defined as the volume of fluid that passes a certain cross-section per unit of time. Its unit are____________________ in the USCS.

155. The motion of a fluid in which every particle in the fluid follows the same path past a particular point as that followed by previous particles is called ____________________.

156. The ____________________ principle is responsible for mixing fuel with air in the throat of a carburetor as air rushes through it.

157. In our discussion of fluids, four physical quantities are derived from the fundamental quantities of mass, length, and time and play important roles. They are ____________________, ____________________, ____________________, and ____________________.

158. The discharge velocity increases with ____________________ below the surface of a liquid. The range of the discharged liquid is a maximum at the ____________________.

159. The velocity of discharge from an orifice depends on the ____________________ and the ____________________. The magnitude of the velocity is predicted by ___________________ theorem.

160. The product of _____________________ and ____________________ is a constant and is a measure of the rate of flow.

161. Fluid flow in which swirls and eddies increase the frictional drag is called ____________________ flow.

162. In applying Bernoulli's equation, it must be remembered that P represents ___________________ pressure and represents ____________________ density.

163. In Bernoulli's equation, the sum of ____________________, ____________________, and ____________________ must remain constant.

ID: A

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Review for Diagnostic Exam for PHYS11Answer Section

MULTIPLE CHOICE

1. ANS: D DIF: 1 TOP: 5.1 Work 2. ANS: C DIF: 1 TOP: 5.1 Work 3. ANS: C DIF: 1 TOP: 5.1 Work 4. ANS: C DIF: 1 TOP: 5.2 Kinetic energy and the Work-Energy Theorem 5. ANS: D DIF: 1 TOP: 5.2 Kinetic energy and the Work-Energy Theorem 6. ANS: A DIF: 1 TOP: 5.2 Kinetic energy and the Work-Energy Theorem 7. ANS: C DIF: 1 TOP: 5.2 Kinetic energy and the Work-Energy Theorem 8. ANS: D DIF: 1 TOP: 5.2 Kinetic energy and the Work-Energy Theorem 9. ANS: D DIF: 1 TOP: 5.2 Kinetic energy and the Work-Energy Theorem 10. ANS: A DIF: 1 TOP: 5.3 Gravitational Potential Energy 11. ANS: D DIF: 1 TOP: 5.3 Gravitational Potential Energy 12. ANS: B DIF: 1 TOP: 5.3 Gravitational Potential Energy 13. ANS: E DIF: 1 TOP: 5.3 Gravitational Potential Energy 14. ANS: D DIF: 1 TOP: 5.3 Gravitational Potential Energy 15. ANS: C DIF: 1 TOP: 5.3 Gravitational Potential Energy 16. ANS: A DIF: 1 TOP: 5.3 Gravitational Potential Energy 17. ANS: C DIF: 1 TOP: 5.3 Gravitational Potential Energy 18. ANS: C DIF: 1 TOP: 5.6 Power 19. ANS: D DIF: 1 TOP: 5.6 Power 20. ANS: B DIF: 1 TOP: 5.6 Power 21. ANS: C DIF: 1 TOP: 5.6 Power 22. ANS: C DIF: 1 TOP: 5.7 Work Done by a Varying Force 23. ANS: C DIF: 1 TOP: 6.1 Momentum and Impulse 24. ANS: A DIF: 1 TOP: 6.1 Momentum and Impulse 25. ANS: C DIF: 1 TOP: 6.1 Momentum and Impulse 26. ANS: A DIF: 1 TOP: 6.1 Momentum and Impulse 27. ANS: D DIF: 1 TOP: 6.1 Momentum and Impulse 28. ANS: C DIF: 1 TOP: 6.1 Momentum and Impulse 29. ANS: D DIF: 1 TOP: 6.2 Conservation of Momentum 30. ANS: D DIF: 1 TOP: 6.2 Conservation of Momentum 31. ANS: B DIF: 1 TOP: 6.2 Conservation of Momentum 32. ANS: C DIF: 1 TOP: 6.2 Conservation of Momentum 33. ANS: C DIF: 1 TOP: 6.3 Collisions, 6.4 Glancing Collisions 34. ANS: A DIF: 1 TOP: 6.3 Collisions, 6.4 Glancing Collisions 35. ANS: C DIF: 1 TOP: 6.3 Collisions, 6.4 Glancing Collisions 36. ANS: B DIF: 1 TOP: 6.3 Collisions, 6.4 Glancing Collisions 37. ANS: A DIF: 1 TOP: 6.3 Collisions, 6.4 Glancing Collisions 38. ANS: B DIF: 1 TOP: 6.3 Collisions, 6.4 Glancing Collisions 39. ANS: C DIF: 1 TOP: 6.3 Collisions, 6.4 Glancing Collisions

ID: A

2

40. ANS: B DIF: 1 TOP: 6.5 Rocket Propulsion 41. ANS: C DIF: 1 TOP: 7.1 Angular Speed and Angular Acceleration 42. ANS: C DIF: 1 TOP: 7.1 Angular Speed and Angular Acceleration 43. ANS: C DIF: 1 TOP: 7.1 Angular Speed and Angular Acceleration 44. ANS: B DIF: 1

TOP: 7.2 Rotational Motion Under Constant Angular Acceleration 45. ANS: B DIF: 1

TOP: 7.2 Rotational Motion Under Constant Angular Acceleration 46. ANS: D DIF: 1

TOP: 7.2 Rotational Motion Under Constant Angular Acceleration 47. ANS: B DIF: 1 TOP: 7.3 Relations Between Angular and Linear

Quantities 48. ANS: C DIF: 1 TOP: 7.3 Relations Between Angular and Linear

Quantities 49. ANS: A DIF: 1 TOP: 7.4 Centripetal Acceleration 50. ANS: A DIF: 1 TOP: 7.4 Centripetal Acceleration 51. ANS: A DIF: 1 TOP: 7.6 Kepler's Laws 52. ANS: B DIF: 1 TOP: 7.6 Kepler's Laws 53. ANS: A DIF: 1 TOP: 7.6 Kepler's Laws 54. ANS: A DIF: 1 TOP: 7.6 Kepler's Laws 55. ANS: B DIF: 1 TOP: 7.6 Kepler's Laws 56. ANS: B DIF: 1 TOP: 8.1 Torque 57. ANS: A DIF: 1

TOP: 8.2 Torque and the Two Conditions for Equilibrium, 8.3 The Center of Gravity, 8.4 Examples of Objects in Equilibrium

58. ANS: C DIF: 1 TOP: 8.5 Relationship Between Torque and Angular Acceleration

59. ANS: B DIF: 1 TOP: 8.5 Relationship Between Torque and Angular Acceleration

60. ANS: B DIF: 1 TOP: 8.5 Relationship Between Torque and Angular Acceleration

61. ANS: C DIF: 1 TOP: 8.5 Relationship Between Torque and Angular Acceleration

62. ANS: A DIF: 1 TOP: 8.5 Relationship Between Torque and Angular Acceleration

63. ANS: D DIF: 1 TOP: 8.5 Relationship Between Torque and Angular Acceleration

64. ANS: D DIF: 1 TOP: 8.5 Relationship Between Torque and Angular Acceleration

65. ANS: C DIF: 1 TOP: 8.6 Rotational Kinetic Energy 66. ANS: B DIF: 1 TOP: 8.7 Angular Momentum 67. ANS: B DIF: 1 TOP: 8.7 Angular Momentum 68. ANS: C DIF: 1 TOP: 8.7 Angular Momentum 69. ANS: B DIF: 1 TOP: 8.7 Angular Momentum 70. ANS: B DIF: 1 TOP: 9.1 States of Matter, 9.2 The Deformation of Solids 71. ANS: D DIF: 1 TOP: 9.1 States of Matter, 9.2 The Deformation of Solids

ID: A

3

72. ANS: B DIF: 1 TOP: 9.1 States of Matter, 9.2 The Deformation of Solids 73. ANS: D DIF: 1 TOP: 9.1 States of Matter, 9.2 The Deformation of Solids 74. ANS: D DIF: 1 TOP: 9.1 States of Matter, 9.2 The Deformation of Solids 75. ANS: D DIF: 1 TOP: 9.1 States of Matter, 9.2 The Deformation of Solids 76. ANS: B DIF: 1 TOP: 9.3 Density and Pressure 77. ANS: B DIF: 1 TOP: 9.3 Density and Pressure 78. ANS: D DIF: 1

TOP: 9.4 Variation of Pressure with Depth, 9.5 Pressure Measurements 79. ANS: A DIF: 1 TOP: 9.6 Buoyant Forces and Archimedes's Principle 80. ANS: A DIF: 1 TOP: 9.6 Buoyant Forces and Archimedes's Principle 81. ANS: A DIF: 1

TOP: 9.9 Surface Tension, Capillary Action, and Viscous Fluid Flow 82. ANS: C DIF: 1

TOP: 9.9 Surface Tension, Capillary Action, and Viscous Fluid Flow 83. ANS: D DIF: 1 TOP: 9.10 Transport Phenomena

COMPLETION

84. ANS: perpendicular, moment arm 85. ANS: center of gravity 86. ANS: torques, zero 87. ANS: negative, positive 88. ANS: zero 89. ANS: force, torque 90. ANS: Newton-meter 91. ANS: the geometric center 92. ANS: sum of the torques due to each component 93. ANS: a wheelbarrow, wrench, pliers 94. ANS: a compressed spring, an elevated mass, a cocked rifle 95. ANS: kinetic energy 96. ANS: kinetic and potential energies, constant 97. ANS: work, J 98. ANS: Power 99. ANS: resultant 100. ANS: energy 101. ANS: negative 102. ANS: applied force, displacement 103. ANS: power 104. ANS: momentum, kinetic energy 105. ANS: Momentum, kilogram-meters per second 106. ANS: coefficient of restitution 107. ANS: impulse, change in momentum 108. ANS: 1, elastic, 0, inelastic 109. ANS: completely inelastic

ID: A

4

110. ANS: pounds per second, slug-feet per second 111. ANS: momentum, momentum 112. ANS: coefficient of restitution 113. ANS: elasticity 114. ANS: radians, radius 115. ANS: torques, momentum, angular momentum 116. ANS: torque, angular displacement 117. ANS: angular acceleration, torque, moment of inertia 118. ANS: slugft2

119. ANS: angular acceleration 120. ANS: angular velocity, acceleration, time 121. ANS: radius of gyration, moment of inertia 122. ANS: angular velocity 123. ANS: torque, velocity 124. ANS: tensile, compressive, shearing 125. ANS: modulus of elasticity 126. ANS: Strain 127. ANS: tan q 128. ANS: compressibility, k 129. ANS: applied force, surface area 130. ANS: greater than 131. ANS: elastic limit, applied stress, Hooke's 132. ANS: stress 133. ANS: bulk modulus 134. ANS: reference circle 135. ANS: velocity, acceleration 136. ANS: displacement 137. ANS: restoring force, acceleration 138. ANS: displacement, acceleration 139. ANS: moment of inertia, torsion constant 140. ANS: torsion constant 141. ANS: displacement, opposite 142. ANS: mass 143. ANS: amplitude 144. ANS: absolute, atmospheric 145. ANS: perpendicular 146. ANS: depth, density 147. ANS: shape, area 148. ANS: weight, volume, no 149. ANS: buyout, weight, Archimedes' 150. ANS: gauge, manometer 151. ANS: rise to the surface and float 152. ANS: hydraulic, Pascal 153. ANS: area

ID: A

5

154. ANS: rate of flow, ft3/s 155. ANS: streamline flow 156. ANS: Venturi 157. ANS: pressure, velocity, density, height 158. ANS: depth, midpoint 159. ANS: depth, acceleration of gravity, Torricelli's 160. ANS: cross-sectional area, velocity 161. ANS: turbulent 162. ANS: absolute, mass 163. ANS: P, rgh, ½rv2

ID: A Review for Diagnostic Exam for PHYS11 [Answer Strip]

_____ 1.D

_____ 2.C

_____ 3.C

_____ 4.C

_____ 5.D

_____ 6.A

_____ 7.C

_____ 8.D

_____ 9.D

_____ 10.A

_____ 11.D

_____ 12.B

_____ 13.E

_____ 14.D

_____ 15.C

_____ 16.A

_____ 17.C

_____ 18.C

_____ 19.D

_____ 20.B

_____ 21.C

_____ 22.C

_____ 23.C

_____ 24.A

_____ 25.C

_____ 26.A

_____ 27.D

_____ 28.C

_____ 29.D

_____ 30.D

_____ 31.B

_____ 32.C

_____ 33.C

_____ 34.A

ID: A Review for Diagnostic Exam for PHYS11 [Answer Strip]

_____ 35.C

_____ 36.B

_____ 37.A

_____ 38.B

_____ 39.C

_____ 40.B

_____ 41.C

_____ 42.C

_____ 43.C

_____ 44.B

_____ 45.B

_____ 46.D

_____ 47.B

_____ 48.C

_____ 49.A

_____ 50.A

_____ 51.A

_____ 52.B

_____ 53.A

_____ 54.A

_____ 55.B

_____ 56.B

_____ 57.A

_____ 58.C

_____ 59.B

_____ 60.B

_____ 61.C

_____ 62.A

_____ 63.D

_____ 64.D

_____ 65.C

_____ 66.B

ID: A Review for Diagnostic Exam for PHYS11 [Answer Strip]

_____ 67.B

_____ 68.C

_____ 69.B

_____ 70.B

_____ 71.D

_____ 72.B

_____ 73.D

_____ 74.D

_____ 75.D

_____ 76.B

_____ 77.B

_____ 78.D

_____ 79.A

_____ 80.A

_____ 81.A

_____ 82.C

_____ 83.D