ECAT Pre General Science Physics Chapter 4 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 4 Work and Energy

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 4 Work and Energy

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ECAT Pre General Science Physics Chapter 4 Work and Energy

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Question # 1

A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which force makes with the direction of motion of a body is:

Question # 2

The commercial unit of electrical energy is :

Question # 3

The amount of coal used since 1945 up till now as compared to that used in the whole of history before that is

Question # 4

When force and displacement are perpendicular to each other than work is equal to

Question # 5

The work done on the body will be zero if:

Question # 6

If one newton force acts on a body and displaces the body through 1m work done on body is

Question # 7

Work is a

Question # 8

In the force applied is parallel to the direction of motion, then work done is:

Question # 9

A body moves a distance of 10 m among a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which the force makes with the direction of motion of a body is:

Question # 10

Work done is maximum when angle between force and displacement is:

Question # 11

The field in which work done in moving a body between two points depends upon the path followed is called:

Question # 12

A laborer carrying a load on his head moves from the rest on a horizontal road to another point where he comes to rest. He has done:

Question # 13

The tidal energy is due to gravitational pull of :

Question # 14

The work performed on an object does not depend on:

Question # 15

A two Kg block is held 1 m above the floor for 50 seconds, the work done is:

Question # 16

When a falling body hits ground, its KE changes to _____ energy.

Question # 17

The energy stored int he water of the dam is:

Question # 18

Work done is independent of path followed in _______

Question # 19

1 J = ________?

Question # 20

A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done is 25J. The angle which the force makes the direction of motion will be:

Question # 21

A 100 kg car is moving at a speed of 10 m/sec and comes to rest after covering a distance of 50 m. the amount of work done against friction is:

Question # 22

Work done is maximum when angle between force and displacement is:

Question # 23

Maximum work is done when force and displacement are

Question # 24

The unit of work in CGS system is

Question # 25

The work done moving a body between two points in a conservation field is independent of the:

Question # 26

Work is a always done on a body when

Question # 27

Work-energy principle states that work done on the body by applied force is equal to change in:

Question # 28

Which of the following type of force can do no work on the particle on which it acts:

Question # 29

Work is a:

Question # 30

A field in which the work done is moving a body along closed path is zero is called:

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