ECAT Pre Computer Science Chapter 4 MCQ Test With Answer

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

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

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ECAT Physics Chapter 4 Work and Energy

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Question # 1

When a wall is pushed by a person very strongly, he has done:

Question # 2

If force and displacement are in opposite direction, the work done is taken as:

Question # 3

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 with the direction of motion will be:

Question # 4

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

Question # 5

If force and displacement are in opposite direction, the work done is taken as

Question # 6

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

Question # 7

The work done on the body will be zero if:

Question # 8

Watt x second is unit of:

Question # 9

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 # 10

Work done is lowering the bucket into the well is:

Question # 11

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

Question # 12

Energy stored in the spring of a watch is called

Question # 13

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 # 14

SI Unit of work is

Question # 15

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

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 A solar cell converts energy of the Sun into:
A. Heat energy
B. Magnetic energy
C. Light energy
D. Sound energy
2 When a body moves against the force of friction on a horizontal plane, the work done by the body is:
A. Positive
B. Negative
C. Zero
D. None of these
3 A field in which the work done in moving a body along closed path is zero is called
A. Nuclear Field
B. Conservative field
C. Gravitational field
D. Non-conservative field
4 Work is always done on a body when:
A. A force acts on it
B. It moves through certain distance
C. None of A or B is correct
D. Both A and B is correct
5 The tidal energy is due to gravitational pull of :
A. sun
B. moon
C. Mars
D. None of these
6 When a wall is pushed by a person very strongly, he has done:
A. Maximum work
B. Zero work
C. Positive work
D. Negative work
7 The work done 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
8 Watt x second is unit of:
A. Force
B. Work
C. Power
D. None of these
9 The tidal energy is produced due to rotation of Earth relative to:
A. Moon
B. Sun
C. Oceans
D. Water
10 The field in which work done in moving a body between two points depends upon the path followed is called:
A. Conservative field
B. Non-conservative field
C. Electric field
D. None of these

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