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

Area under the force displacement graph gives

Question # 2

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

Question # 3

Work is a:

Question # 4

The work done on the body will be zero if:

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

The unit of work in CGS system is

Question # 7

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 # 8

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

Question # 9

Which one is conservative force

Question # 10

Maximum work is done when force and displacement are

Question # 11

Work is a always done on a body when

Question # 12

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 # 13

When force and displacement are perpendicular to each other than work is equal to

Question # 14

The work performed on an object does not depend on:

Question # 15

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

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 When a falling body hits ground, its KE changes to _____ energy.
A. Potential
B. Chemical
C. Mechanical
D. sound and heat
2 Maximum work is done when force and displacement are
A. Parallel
B. Antiparallel
C. Perpendicular
D. Both a and b
3 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
4 Which of the following types of force can do no work on the particle on which it acts
A. Frictional force
B. Gravitational force
C. Electric force
D. Centripetal force
5 The angle between centripetal force and displacement of the body moving in a circle is:
A. 0°
B. 90°
C. 180°
D. None of these
6 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
7 In the force applied to parallel to the direction of motion, then the work done is:
A. Positive
B. Negative
C. Zero
D. None of these
8 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°
9 The Space around the Earth within which it exerts a force of attraction on other bodies is known as
A. Nuclear field
B. Conservative field
C. Electric field
D. Gravitational field
10 When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is
A. 0.5 J
B. 2 J
C. 0.25 J
D. 1 J

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