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Physics 1 for Senior High School Year X 1
PEMERINTAH KABUPATEN KUDUS
DINAS PENDIDIKAN, PEMUDA DAN OLAHRAGA
SMA 1 BAERintisan Sekolah Menengah Atas Bertaraf Internasional
(R SMA BI)
Jl. Jend. Sudirman Km. 04 Telp. (0291) 438821 Kudus 59322
e-mail :[email protected] Website :www.sma1baekudus.com
Physics 1 for Senior High School Year XSemester 1 Evaluation
Information: 1. Dont use Calculator and HP2. Score of every problem is 20
Multiple Choice
Choose one correct answer.(If it is necessary, use g = 10m/s2)
1. The following basic
quantities are.a. length, mass, timeb. velocity accelerationc. length, width, volumed. mass, weight, forcee. weight density, time,
length
2. The following derivedquantities are .a. weight, current,
temperatureb. temperature, mass,
volumec. time, acceleration,
momentumd. work, momentum,
velocitye. velocity, temperature,
amount of substance
3. The quantity withdimension ML-1T-2 is thedivision result of .a. force and time intervalb. force and pressurec. force and plane widthd. mass and acceleratione. acceleration and force
4. Vernier calipermeasurement in thefigure indicates a result of.a. 3.13 cm
b. 3.17 cmc. 3.27cmd. 3.43 cme. 3.35 cm
5. Micrometer measurementin this figure indicates aresult ofa. 5.15 cmb. 5.65 cmc. 5.75 cm
d. 6.15 cme. 6.75 cm
6. Two vectors of 8 unitlength respectively areconnected on their tails. Ifthe angle between them is1200, the length of theresultant vectors is .a. 4 N
b. 12 Nc. 8 Nd. 16 Nc. 12 N
7. The length of a vectorwhich tail is at originpoint of the Cartesian
coordinate and its headat the point (12, 5) is ...units.a. 12b. 13c. 14.5
d. 15e. 16.5
8. If the resultant vectorslength of the two vectorsin the following pictureis 13 N, the angle it is.a. 00
b. 30c. 450
d. 60e. 90
9. The following v-t graphthat suits the linearmotion with constantacceleration is .a. d.
b. e.
c.
8N
7N
V
t
V
t
V
t
V
t
V
t
Subject : PhysicsGrade/Semester : X (RSBI Class) /IDay/Date :Time : 08.00 10.00 (120 menit )
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Physics 1 for Senior High School Year X2
10. Cars A and B areseparated by 150 m.Then the two vehiclesmove toward each otherat the same time. If thevelocity of car A(vA) = 30
m/s and the velocity ofcar B (vB) = 20 m/s, thenthe two cars will passeach other after movingfor .a. 3 seconds at a
distance of 60 m fromA
b. 3 seconds at adistance of 30 m from
Bc. 3 seconds at a
distance of 90 m fromA
d. 3 seconds at adistance of 90 m fromB
e. 3 seconds at adistance of 30 m fromA
11. A coconut fell from 20 mheight above theground. When it wasstill 5 m above theground, the velocity was... m/s.
a. 10 3
b. 5c. 10
d. 2.5e. 5 3
12. The properties thatalways change during auniformly circularmotion are .a. the magnitude of its
angular velocityb. the direction of its
angular velocityc. the magnitude of its
linear velocityd. the direction of its
linear velocitye. its period
13. Circular motion withangular velocity of
50rad/s has a periodof.a. 0.04 sb. 0.5 s
c. 0.05 sd. 1 se. 0.4 s
14. A circular motion of 10Hz frequency means .a. in 10 s it occurs 1
rotationb. in 10 s it occurs 10
rotation
c. it accrued 10 rotationin every time unit
d. it occurs 10rotation/minute
e. motion only occurs in10 s
15. A force of 6 N willaccelerate an object ofmass m by 2 m/s2 and
an object of mass m2 by 4m/s2. If both objects arecombined, the force Fwill give accelerationof.a. 2.33 m/s2
b. 1.33 m/s2c. 3.33 m/s2
d. 0.33 m/s2e. 4.33 m/s2
16. A mango of 0.5 kg massfalls down withacceleration of 10 m/s2.The force acting on themango is .a. 5 Nb. 20 Nc. 10 Nd. 26 Ne. 25 N
17. Anna is weighinghimself in an elevatormoving upward with 2m/s velocity. If the scalein the elevator indicates52 kg, Annas real massis.
a. 50kgb. 55kgc. 60kgd. 65kge. 70kg
18. A block of mass 3 kg ison a frictionless slopingplane tilted 30 off thehorizontal plane. Theblock will slide by apulling force of .a. 10 Nb. 20 Nc.12 Nd. 30 N
e. 15 N
19. The earths rotation isfrom west to east. Twopersons, A and B whoare motionless andseparated 100 km awayalong the equator are thesame in terms of their.a. weight
b. massc. positiond. angular velocitye. angular acceleration
20. A car of 1,000 kg massmoves along a bendroad of 10 m radius. Thespeed limit for the car inorder to avoid slippingis.a. 5 m/sb. 20 m/sc. 10 m/sd. 25 m/se. 15 m/s
21. A boy is revolving a 50 gstone which is lied to arope with 1 m radius. Ifthe angular velocity is 2
rad/s, the centripetalforce undergone by thestone is.a. 0.05 Nb. 0.10 Nc. 0.20 Nd. 1.20 Ne. 2.00 N
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Physics 1 for Senior High School Year X 3
22. A ball of 0.1 kg mass istied to a rope and thenrevolved with a constantspeed of 2 m/s. If theradius is 1 m, themagnitude of rope
tension is .a. 0.2 Nb. 0.4 Nc. 0.6 Nd. 0.8 Ne. 1.0 N
23. A ball moves in anorderly circular motionwith the angular velocity
three times that of thelong hand of a clock. Theangular velocity of theball is .a. l rad/sb. 3 rad/sc. 1 rpmd. 2 rpme. 3 rpm
24. The earth circumferencethrough the equator is25,000 mile long. Thevelocity of earthsrotation is .a. 25,000 mile/hourb. 2,083 mile/hourc. 1,672 mile/hourd. 1,042 mile/houre. 520.8 mile/hour
25.
From the graph ofdisplacement (x) versuslime (t) that describemotions of a particle, it
can be concluded that.a. particle is accelerated
and then stopsb. particle is accelerated
and then moves withconstant velocity
c. particle is slowed
down and then stopsd. particle is slowed
down and then moveswith constant velocity
e. particle moves withconstant velocity and
then stops
Essay
Give the correct answer
1. An object moves is astraight line with aspeed of 5 m/s. After
traveling 75 km, thespeed becomes 10 m/s.Calculate theacceleration.
2. The linear velocity of apoint which is moving ina circular path with
frequency of 2 Hz is 2m/s. What is thedistance of that point
from the center of path?
3. A ball of 0.5 mass kg istied to a 1 m rope. Thenit is revolvedhorizontally. If the ropecan withstand amaximum tension of 50newtons, what is theballs speed before the
rope breaks?4. A car moves
horizontally with aspeed of 40 km/hour.The frictional coefficientbetween the road and
the tire s = 0.7. What isthe distance required tostop the car, supposethere is no slip between
the tire and the road,and g = 10 m/s2?
5. An object moves on aplane with 10 m/sspeed. If the kinetic
friction coefficient k =0.4 and g =10 m/s2,
determine the distancewhich must be coveredbefore the object stops.
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