ECAT Pre General Science Physics Chapter 4 MCQ Test With Answer for Physics chapter 4 (Work and Energy)

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

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ECAT Pre General Science Physics Chapter 4 Work and Energy Online Test

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Question # 1

A boy pulls a toy car through a distance of 5 m by applying a force of 0.5 N, Which makes an angle of 60° with the horizontal. The work done by the boy is:

Question # 2

The power of an electric generating station is expressed in:

Question # 3

The angle between centripetal force and displacement of the body moving in a circle is:

Question # 4

The energy stored int he water of the dam is:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

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

The space around the earth within it exerts a force of attraction on other bodies of known as:

Question # 11

Work done is lowering the bucket into the well is:

Question # 12

Tick the conservative force

Question # 13

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

Question # 14

The types of mechanical energy is/are:

Question # 15

Work is always done on a body when:

Question # 16

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

Question # 17

When velocity of moving body is doubled, the quantity which is also doubled is its:

Question # 18

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

Question # 19

Which force is not a conservative force?

Question # 20

Maximum work is done when force and displacement are

Question # 21

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

Question # 22

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

Question # 23

Which force is not a conservative force:

Question # 24

1 J = ________?

Question # 25

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 # 26

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

Question # 27

The work done by a force keeping an object in circular motion with constant speed is:

Question # 28

Work is a

Question # 29

The work performed on an object does not depend on:

Question # 30

A solar cell is made from:

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