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

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

Question # 2

When the surfaces are coated with a lubricant, then they

Question # 3

A ball falls on the surface from 10 m height and rebounds to 2.5 m. if the duration of contact with the floor is 0.01 seconds then the average acceleration during contact is

Question # 4

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 # 5

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

Question # 6

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

Question # 7

A railway engine (mass 104kg) is moving with a speed of 73 km/h. The force which should be applied to bring it to rest over a distance of 20 m is

Question # 8

Newton's laws are adequate for speeds that are

Question # 9

Flight of rocket in the space is an example of

Question # 10

Tick the conservative force:

Question # 11

One KWh is equal to:

Question # 12

When a shell explodes in mid-air, its fragments fly off in

Question # 13

The second law gives the relationship between

Question # 14

A 5 kg mass is falling freely, the force acting on, it will be

Question # 15

A person is sitting in a traveling train and facing the engine. He tosses up a coin and the coin falls behind him. It can be concluded that the train is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The product of force and time is called
A. acceleration
B. linear momentum
C. angular momentum
D. impulse
2 Which of the following statements for an object in equilibrium is not true?
A. The object must be at rest
B. The object can be at rest
C. The object is moving at constant speed
D. The acceleration of the object is zero
3 When the surfaces are coated with a lubricant, then they
A. Stick to each other
B. Slide upon each other
C. Roll upon each other
D. None of these
4 A ball is thrown upwards with a velocity of 100 m/s. It will reach the ground after
A. 10 s
B. 20 s
C. 5 s
D. 40 s
5 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
6 The motion of a body in a straight line is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension
7 A body falls freely from rest. It covers as much distance in the last second of its motion as covered in the first three seconds. The body has fallen for a time of
A. 3 s
B. 5 s
C. 7 s
D. 9 s
8 In the expression F x t, the force F is
A. total force
B. instantaneous force
C. average force
D. all of them
9 The short distance between two points direction from its initial point to final point is called:
A. Velocity
B. Displacement
C. Speed
D. Distance
10 The horizontal range of projectile, at a certain place, depends upon
A. the mass of the projectile
B. velocity of projection
C. angle of projection
D. angle as well as velocity of projection

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