what is a force? chapter 1 section 2 review
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What Is a Force? Chapter 1 Section 2 Review . 1. What is a n ewton ?. A. A moving object B. A point of reference C. The SI unit for force D. A push or pull . A newton is…. C. The SI unit for force. 2. Force is…. A. A great deal of weight - PowerPoint PPT PresentationTRANSCRIPT
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What Is a Force?Chapter 1 Section 2 Review
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1. What is a newton?A. A moving objectB. A point of referenceC. The SI unit for forceD. A push or pull
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A newton is…C. The SI unit for force
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2. Force is…A. A great deal of weightB. A push or pull exerted on an
object in order to change the object’s motion
C. A change in position relative to a reference point
D. The speed of an object in a certain direction
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A force is…B. A push or pull exerted on an object in order to change the object’s motion
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3. What is net force?A. A blocker in volleyballB. A push or pullC. The speed of an object in a
certain directionD. The combination of all
forces acting on an object
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Net force is…D. The combination of all forces acting on an object
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4. Are the forces on a kicked football balanced or unbalanced? Why?
A. Balanced, since the football is moving
B. Unbalanced, since the football is moving
C. Balanced, since the football is still
D. Unbalanced, since the football is still
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The forces on a kicked football are…B. Unbalanced, since the football is moving
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5. Which of the following choices best represents force?
A. A push or pull always causing motion
B. A push or pull always causing acceleration
C. A push or pull acting without an object
D. A push or pull acting on an object
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Force is represented by…D. A push or pull acting on an object
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6. A boy pulls a wagon with a force of 8 N West as another boy pushes it with a force of 6 N West. What is the net force?
A. 14 N EastB. 2 N WestC. 2 N EastD. 14 N West
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8 N West + 6 N West =D. 14 N West
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7. Which of the following best determines net force when more than one force is acting on an object?A. A combination of all motions
of an objectB. A combination of all motions
of an object in 2 directionsC. A combination of all forces
acting on an objectD. A combination of forces acting
on an object in 2 directions
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Net force is best determined when…C. A combination of all forces is acting on an object
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8. Which of the following may happen when an object receives unbalanced forces?A. The object changes direction
B. The object changes speedC. The object starts to moveD. All of the above
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When an object receives unbalanced forces, it moves, so…D. All of the above
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9. When the net forces equal 0 N, they are which of the following?
A. BalancedB. UnbalancedC. A pushD. A pull
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When net forces equal 0 N, they are…A. Balanced
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10. What is an example of an unbalanced force causing a change in motion?
A. Pulling on a drawer so it opensB. Pushing a chair across the floorC. Pedaling a bicycleD. All of the above
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D. All of the above
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11. Which of the following always causes a change in speed, direction, or both?
A. Balanced forcesB. Unbalanced forcesC. Either balanced or unbalanced forces
D. Any combination of forces
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B. Unbalanced forces
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12. What is an example of an object that has balanced forces acting on it?
A. A car going down the street
B. A book resting on a table
C. A kid riding a bikeD. A windmill turning
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B. A book resting on a table
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13. Which of the following causes an object to start moving?
A. Balanced forcesB. Unbalanced forcesC. Either balanced or unbalanced forces
D. Any combination of forces
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B. Unbalanced forces
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14. One Newton is the equivalent of…A. About 100 gramsB. 1 poundC. 1 appleD. 10 grams
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1 Newton is equal to…A. About 100 grams
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15. When 2 forces act in opposite directions, you ______ the smaller force from the larger force to determine the net force.A. AddB. SubtractC. MultiplyD. Divide
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B. Subtract
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The quiz is on Tuesday!
Make sure you are prepared!
Study, study, study!!!