ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

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

Try The 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

Swimming becomes possible because of______law of motion.

Question # 2

The horizontal range of projectile, at a certain place, depends upon

Question # 3

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

Question # 4

When two protons are brought closer potential energy of both of them:

Question # 5

Newton's first law is also called:

Question # 6

Essential characteristic of equilibrium is

Question # 7

For a fixed force, larger is the mass of a body the

Question # 8

Earth is considered to be

Question # 9

A force of 50 dynes is acted on a body of mass 5 g which is at rest, for an interval of 3 seconds, then impulse is

Question # 10

Inertial frame of references are those frame of references which are moving with

Question # 11

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?

Question # 12

When brakes are applied to a fast moving car, the passenger will be thrown:

Question # 13

Find the total displacement of a body in 8 seconds starting from rest with an acceleration of 20 cm/s2

Question # 14

Root out the conventional source of energy:

Question # 15

The area under line velocity-time graph is numerically equal to the

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Linear momentum is a
A. fixed quantity
B. constant quantity
C. scalar quantity
D. vector quantity
2 During the upward motion of the projectile, the vertical component of velocity:
A. Decreases
B. Increases
C. Remains constant
D. None of these
3 For a moving body, at any instant of time
A. If the body is not moving the acceleration is necessarily zero
B. If the body is slowing, the retardation is negative
C. If the body is slowing, the distance is negative
D. If displacement, velocity and acceleration at that instant are known, we can find the displacement at any given time in future
4 A body is moving with constant velocity of 10 m/sec in the north east direction. Then its acceleration will be:
A. 10 m/sec2
B. 20 m/sec2
C. 30 m/sec2
D. Zero
5 When a body is moving with uniform positive acceleration, the velocity- time graph is a straight line. Its slope is
A. zero
B. negative
C. positive
D. non-existing
6 When brakes are applied to a fast moving car, the passenger will be thrown:
A. Forward
B. Backward
C. Downward
D. none of these
7 The motion of a projectile is
A. one dimension
B. two dimension
C. three dimension
D. all of them
8 A body of mass 1.0 kg is falling with an acceleration of 10 m/s2. Its apparent weight will be (g=10 m/s2)
A. 1.0 kg wt
B. 2.0 kg wt
C. 0.5 kg wt
D. Zero
9 If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine, is (Take g=9.8 m/s2)
A. 9.8 m/s
B. 19.6 m/s
C. 39.2 m/s
D. 98.0 m/s
10 Bodies which falls freely under gravity provides good example of motion under:
A. Uniform acceleration
B. Non-uniform acceleration
C. Uniform velocity
D. None of these

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