Final Exam Exercise 1
Soal:
1. Look at the picture about motion of a car below ! This car moves from A to B and u turn to C !
A. Distance = 50 km, displacement = 110 km
B. Distance = 110 km, displacement = 50 km
C. Distance = 110 km, displacement = - 110 km
D. Distance = 80 km, displacement = 30 km
2. Look at the graph is given below !
A. acceleration of object occurred in t = 0 s until t = 3 second
B. deceleration of object occurred in t = 5 until t = 6 s
C. acceleration is zero from t = 3 s until t = 5 s
D. deceleration of object occurred in t = 6 s until t = 10 s
3. The motion of an object can be described as the graph shown below !
A. Acceleration of object is 0,5 m.s – 2
B. Speed of object is constant from t =10 s until t = 15 s
C. Deceleration of object is – 2,5 m.s – 2
D. From t = 10 s until t = 15 s acceleration of object is not zero
4. An object moves on a straight line and it can be described on graph below !
The total distance from point P until S is…
A. 175 m
B. 150 m
C. 125 m
D. 120 m
5. A car accelerates uniformly from 5 m.s – 1 to 13 m.s – 1 in 4.0 s. What is acceleration of the car ?
A. 0.50 m.s – 2
B. 0.75 m.s – 2
C. 1.50 m.s – 2
D. 2.00 m.s – 2
6. In laboratory on earth, a triple balance instrument shows that an object has a 2 kg of mass with g = 10 m/s2. If the same instrument and object are taken to another planet Z where the gravitational acceleration on this planet is half from earth’s gravitational acceleration. What is the mass and weight on this planet Z ?
A. m = 20 kg, W = 10 N
B. m = 2 kg, W =10 N
C. m = 10 kg, W = 20 N
D. m = 10 kg, W = 2 N
7. Look at the picture below !
There are several forces are acting on object.
The resultant and direction of force is…
A. 140 N to the right
B. 80 N to the left
C. 30 N to the left
D. 10 N to the right
8. There are some forces exerted on object as the figure shown :
A. – 0,75
B. – 0.66
C. – 0.50
D. – 0.33
9. There are some activities below connecting to the 1st Newton’s law of motion, except…
A. when a book is placed on a table, the table exerts an upward force ( normal force ) that pushes on the book. In this condition normal force will equal with the weight of book, so the book at rest condition.
B. when an aeroplane flying with a constant velocity it means that thrust and drag acting onaeroplane is equal
C. if a child throws a ball on rough ground, the speed of the ball will decrease and then it will stop.
D. when someone is driving a car with a constant speed on the road
10. Look at the picture is given below !
Which the following is correct statement according to Newton’ s law of motion ?
A. this pictures describes the 2nd Newton’s law of motion because acceleration willincrease when constant force is applied on skateboard.
B. this pictures relates to the 3rd Newton’s law of motion if someone pushes one footbackward, the skateboard will move forward.
C. this pictures relates to the 1st Newton’s law of motion because when the boy does not moveone foot to backward, the skateboard will move forward.
D. this pictures describes the 1st Newton’s law of motion because the skateboard will movewith constant speed if the boy applying the more force.
11. There are some forces acting on an object and move the object from position A to position B.
The magnitude of workdone ( W ) in this condition is…
A. 80 J
B. 60 J
C. 40 J
D. 20 J
12. Look at the pictures are given ! Object moves from the left to the right side.
 | |
| Workdone in this condition is 150 N. The magnitude of friction is… A. 150 N |
B. 160 N
C. 175 N
D. 180 N
13. Look at the picture of wooden block with a load on it ! Weight of load is 6 N and the distance between point O to point A is 2 m. Point O is placed in the middle of the wooden block.
A.0,8 m from point O
B. 1,2 m from point O
C. 1,4 m from point O
D. 1,6 m from point O
14. The system of inclined plane is given !
 |
The minimum force is needed to push load is..
A. 250 N
B. 275 N
C. 300 N
D. 325 N
15. Look at the picture of pulley below !
 | |
The amount of load is known as 200 N. Which the following is the right statement about mechanicaladvantage ( MA ) and force ( F ) in that system…
A. MA = 2 and F = 100 N
B. MA = 2 and F = 400 N
C. MA = 3 and F = 60,66 N
D. MA = 4 and F = 50 N
16. Look at the picture is given below !
 | |
If a constant force ( 40 N ) exerts at the whole area at the top of this box, pressure is…
A. 12 kPa
B. 10 kPa
C. 8 kPa
D. 6 kPa
17. Look at the picture is shown ! Density of liquid is 1 g/cm3.
What is pressure at fish’s position if gravitational acceleration g = 10 m.s-2( consider that there’s no air pressure from the outside or from the surface ).
A. 4,0 kPa
B. 6,0 kPa
C. 8,0 kPa
D. 1,4 kPa
18. The hydraulic – system is used to elevate a car as the figure shown
What is the magnitude of force that can exert to elevate the car ?
A. 100 N
B. 200 N
C. 300 N
D. 400 N
19. Experiment about air pressure can be shown below !
The right conclusion from this picture is…
A. External pressure ( outside ) is equal with gas pressure
B. External pressure ( outside ) is bigger than gas pressure
C. External pressure ( outside ) is smaller than gas pressure
D. There’s no gas pressure at all
20. Look at the picture of manometer below !
A. 81 cmHg
B. 75 cmHg
C. 69 cmHg
D. 65 cmHg
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