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

When the body is moves against the force of friction on a horizontal plane, the work done by the body is:

Question # 2

Work done is lowering the bucket into the well is:

Question # 3

The commercial unit of electrical energy is :

Question # 4

Work is a:

Question # 5

A solar cell is made from:

Question # 6

Work is always done on a body when:

Question # 7

The energy stored int he water of the dam is:

Question # 8

Which of the following is not a unit of power:

Question # 9

Work done along a closed path in a gravitational field is:

Question # 10

Work is always done on a body when:

Question # 11

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

Question # 12

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

Question # 13

The tidal energy is due to gravitational pull of :

Question # 14

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

Question # 15

The Space around the Earth within which it exerts a force of attraction on other bodies is known as

Question # 16

When a body moves against the force of friction on a horizontal plane, the work done by the body is:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is

Question # 21

Power is a :

Question # 22

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 # 23

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

Question # 24

The total work done in moving the body up and then down through the same height in a gravitational field is equal to:

Question # 25

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

Question # 26

Work done is independent of path followed in _______

Question # 27

Work done on a body by gravity in lifting it up to certain height is

Question # 28

Work is a

Question # 29

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

Question # 30

Work is a Quantity

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 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:
A. Minimum Work
B. Maximum Work
C. Zero Work
D. Negative Work
2 If force and displacement are in opposite direction, the work done is taken as:
A. Positive work
B. Negative work
C. Zero work
D. Infinite work
3 Tick the conservative force
A. Tension in a string
B. Air resistance
C. Elastic spring
D. Frictional force
4 SI Unit of work is
A. Nm-1
B. Joule
C. Nms
D. Both a and b
5 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:`
A. Minimum work
B.
Maximum work
C. Zero work
D. Negative work
6 Work done on a body by gravity in lifting it up to certain height is
A. Maximum
B. Minimum
C. Zero
D. Negative
7 The tidal energy is due to gravitational pull of :
A. sun
B. moon
C. Mars
D. None of these
8 If force and displacement are in opposite direction, the work done is taken as:
A. Positive work
B. Negative work
C. Zero work
D. Infinte work
9 The work done in moving a body between two points in a conservation field is independent of the:
A. Direction
B. Force applied
C. Path followed by the body
D. Power
10 Work is a:
A. Scalar quantity
B. Vector quantity
C. Base quantity
D. None of these

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