ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 3 Motion and Force

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Physics ECAT Pre Engineering Chapter 3 Motion and Force

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Question # 1

A body is moving with constant velocity of 10 m/sec in the north-east direction. Then its acceleration will be:

Question # 2

A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:

Question # 3

A certain force gives an acceleration of 2 m/sec2 to a body if mass 5 kg. The same force would give a 29 kg object an acceleration of:

Question # 4

Suppose the water flows out from a pipe at 3kg s-1and its velocity changes from 5m s-1to zero on striking the wall, then the force exerted by water on wall will be

Question # 5

Swimming is based on the principle of

Question # 6

One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:

Question # 7

A dirty carpet is to be cleaned by heating. This is in according with______law of motion.

Question # 8

The short distance between two points direction from its initial point to final point is called:

Question # 9

What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?

Question # 10

During the upward motion of the projectile, the vertical component of velocity:

Question # 11

Rate of change of momentum is called

Question # 12

The velocity of a body at any instant of its motion is known as

Question # 13

A body walks to his school at a distance of 6 km with a speed of 2.5 km/h and walks back with a constant speed of 5 km/h. His average speed for round trip expressed in km/h is

Question # 14

A particle of mass 0.5 g moving along x-axis is located of x1= 15 m at t1= 5s and x2= 33 m at t2= 13s its average velocity is

Question # 15

When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Slope of velocity-time graph represents:
A. Acceleration
B. Speed
C. Torque
D. Work
2 To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined
A. Parallel
B. Antiparallel
C. At angle 60°
D. Perpendicular to each other
3 Velocity is a
A. scalar quantity
B. vector quantity
C. constant quantity
D. none of them
4 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
5 When body moves with increasing acceleration, its velocity time graph is a
A. straight line
B. horizontal straight line
C. vertical straight line
D. curve
6 A dirty carpet is to be cleaned by heating. This is in according with______law of motion.
A. First
B. Second
C. Third
D. None of these
7 An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:
A. 100 m/sec
B. 140 m/sec
C. 1960 m/sec
D. 196 m/sec
8 A body walks to his school at a distance of 6 km with a speed of 2.5 km/h and walks back with a constant speed of 5 km/h. His average speed for round trip expressed in km/h is
A. 24/13
B. 10/3
C. 3
D. 4,8
9 Acceleration in a body is always produced in the direction of :
A. Velocity
B. Weight
C. Force
D. Both B and C
10 A ball is dropped from a height of 4.2 meters. To what height will take it rise if there is no loss of KE after rebounding?
A. 4.2 m
B. 8.4 m
C. 12.6 m
D. none of these

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