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

A solar cell converts energy of the Sun into:

Question # 2

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

Question # 3

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

Question # 4

Tick the conservative force

Question # 5

1 J = ________?

Question # 6

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

Question # 7

Work is always done on a body when:

Question # 8

Work is a:

Question # 9

Work has the dimensions as that of

Question # 10

Watt x second is unit of:

Question # 11

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

Question # 12

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

Question # 13

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 # 14

The work performed on an object does not depend on:

Question # 15

The space around the earth in which its gravitational force acts on a body is called

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 Maximum work is done when force and displacement are
A. Parallel
B. Antiparallel
C. Perpendicular
D. Both a and b
2 Tick the conservation force:
A. Tension in a string
B. Air resistance force
C. Elastic spring
D. Frictional force
3 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:
A. 1.25 J
B. 12.5 J
C. 125 J
D. None of these
4 Work is product of:
A. Force and velocity
B. Heat and energy
C. Force and displacement
D. None of these
5 Work done on a body by gravity in lifting it up to certain height is
A. Maximum
B. Minimum
C. Zero
D. Negative
6 Area under the force displacement graph gives
A. Power
B. Work
C. Heat
D. Energy
7 The types of mechanical energy is/are:
A. Kinetic energy
B. Potential energy
C. Both of these
D. None of these
8 The work done on the body will be zero if:
A. No force is applied on the body
B. Force is applied but no displacement
C. Angle between F(force) and d(displacement) is 90°
D. All of these are correct
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:
A. 0°
B. 30°
C. 60°
D. 90°
10 When the body is 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

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