ECAT Pre Computer Science Chapter 4 MCQ Test With Answer

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 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 # 2

Which one is conservative force

Question # 3

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 # 4

The tidal energy is due to gravitational pull of :

Question # 5

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 # 6

A 2 kg block is held 1 m above floor for 50 seconds. The work done is:

Question # 7

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

Question # 8

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

Question # 9

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 # 10

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

Question # 11

If we draw a graph between d (along x-axis) and F (along y-axis) and get a straight line horizontal to x-axis, then area under this straight line represents:

Question # 12

Work has the dimensions as that of

Question # 13

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 # 14

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

Question # 15

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

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done in 25J. The angle which the force makes with the direction of motion will be
A. 60°
B. 90°
C. 30°
D. 0°
2 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:
A. 60°
B. 90°
C. 30°
D. 0°
3 Work done is maximum when angle between force and displacement is:
A. 0°
B. 90°
C. 180°
D. None of these
4 Most of the geysers occur in:
A. Volcanic regions
B. Magnetic regions
C. Northern region
D. None of these
5 Area under the force displacement graph gives
A. Power
B. Work
C. Heat
D. Energy
6 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
7 Work done is maximum when angle between force and displacement is:
A. 0°
B. 90°
C. 180°
D. None of these
8 Escape velocity from surface of Moon as compared to that from Earth surface is:
A. Greater
B. Smaller
C. Equal
D. None of thes
9 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
10 The tidal energy is produced due to rotation of Earth relative to:
A. Moon
B. Sun
C. Oceans
D. Water

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