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1. TMSS/CA-RemedialPhysics/Sem-2/G11/2018-2019
SECTION A: Multiple Choice Questions ( 10 x 1 mark = 10 marks)
Choose the correct answers and write them in the provided brackets.
1. The mass of object A is three times of the mass of B and the speed of object A is half than
B. The comparison of the kinetic energy between object A and B is __________
A. 3 : 4
B. 3 : 2
C. 2 : 3
D. 2 : 1
E. 1 : 1 (______)
2. A 10 kg mass of an object moves on a flat, slippery surface without friction. If the object is
pushed with a force of 100 N which forms a 600 angle to the horizontal direction, the amount
of work done if the displacement of objects as far as 5 m is __________
A. 100 J
B. 150 J
C. 200 J
D. 250 J
E. 300 J (______)
3. An object with a mass of 4 kg is initially stationary, then moves straight with an acceleration
of 3 m/s2. The work that converts into kinetic energy after 2 seconds is __________
A. 6 J
B. 12 J
C. 24 J
D. 48 J
E. 72 J (______)
4. A 700 gram mass of an object is thrown up to reach a height of 9 m. Change in the potential
energy of objects when it is at an altitude of 5 m to 9 m is __________
A. 28 J
B. 35 J
C. 42 J
D. 54 J
E. 63 J (______)
5. An object is on a slippery floor and is drawn by the force F = 40 Newton. If the effort carried
out by the force to the beam is 680 joules, calculate the displacement of the beam
__________ Joules
A. 46
B. 47
C. 48
D. 49
E. 50 (______)
6. The kinetic energy of a car with a mass of 1,500 kg and traveling at a speed of 72 km/hour is
__________ Joules
A. 313,2
B. 180,0
C. 360,0
D. 540,0
E. 496,8 (______)

2. TMSS/CA-RemedialPhysics/Sem-2/G11/2018-2019
7. An object with a mass of 5 kg is 10 meters above the surface of the earth. Gravitational
acceleration of 10 m/s2. The greatest effort to move the object up to a height of 15 meters
from the surface of the earth is __________
A. 1250 J
B. 750 J
C. 500 J
D. 250 J
E. 75 J (______)
8. The dimention of momentum is __________
A. [M] [L] [T]-2
B. [M] [L]-1 [T]-1
C. [M] [L] [T]-1
D. [M] [L]-2 [T]-2
E. [M] [L]-1 [T]-1 (______)
9. A ball A has momentum p colliding with ball B so that after the impact, the momentum of the
A ball changes to 3p. The change in momentum of ball B is ________
A. -2p
B. -3p
C. p
D. 2p
E. 4p (______)
10.A car with a mass of 700 kg moves at 72 km / hour. The momentum of the car is _________
A. 3700 kg.m./s
B. 14,700 kg.m./s
C. 15,700 kg.m./s
D. 14,000 kg.m./s
E. 15,000 kg.m./s (______)
SECTION B: Structured - 1 Questions ( 10 x 2 marks = 20 marks)
Answer the questions correctly and write them on the provided lines.
11.Define the term of momentum ________________________________________________
12.Write 5 examples of situation involving collisions ________________________________
_________________________________________________________________________
_________________________________________________________________________
13.A ball is hit with a bat. A student determines that the momentum of the ball is 10.0 N.s. The
mass of the ball if it has a velocity of 2.0 meters per second is _________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
14.A 10,000 kg train that runs at a rate of 24 m/s crashes into other similar cars that are in a
state of silence. If the two carriages are connected as a result of the collision, what is their
speed respectively?
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________

3. TMSS/CA-RemedialPhysics/Sem-2/G11/2018-2019
15.A 20 gram mass of ball is thrown at a speed of v1 = 4 ms-1 to the left. After it has hit the wall,
the ball bounces at a speed of v2 = 2 ms-1 to the right. The large impulse produced is ____
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
16.Two objects with the same mass move close to each other in a straight-line path with the
speed of each object is 8 m/s and 10 m/s, after the first ball collides with a speed of 5 m/s in
the opposite direction from before. What is the speed of the second object after the
collision?
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
17.A bullet with a mass of 50 grams is fired from a gun with a mass of 2 kg. If the bullet when
released has a speed of 200 m/s, determine the speed of the rifle shortly after the bullet is
released.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
18.A stone with a mass of 1 kg was cast vertically at a speed of 20 m/s. If the acceleration of
gravity is 10 N/kg, determine the kinetic energy of the stone at the highest point.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
19.Leaving a bus stop, a bus reaches a velocity of 12 m/s after 5 s. The acceleration of the bus
is _______________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
20.A 20 kg of an object slides on a slippery inclined surface that form a 300 angle to the
horizontal. If the object slides 6 m, calculate the work done by its weight.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________