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

Work done by the force of friction is always

Question # 2

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 # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Which one is conservative force

Question # 8

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

Question # 9

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 # 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:

Question # 11

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 # 12

Which force is not a conservative force:

Question # 13

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

Question # 14

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

Question # 15

The commercial unit of electrical energy is :

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 In the force applied is parallel to the direction of motion, then work done is:
A. Maximum
B. Minimum
C. Zero
D. None of these
2 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
3 The work performed on an object does not depend on:
A. Force applied
B. Angle at which force is inclined to the displacement
C. Initial velocity of the object
D. Displacement
4 Work done along a closed path in a gravitational field is:
A. Maximum
B. Minimum
C. Zero
D. Unity
5 The commercial unit of electrical energy is :
A. K Watt
B. KWH
C. Horse power
D. Joule
6 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
7 Work has the dimensions as that of
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
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 The dimensions of work
A. [MLT-1]
B. [MLT-2]
C. [ML2T-2]
D. [MLT]
10 The work performed on an object does not depend on:
A. Force applied
B. Angle at which force is inclined to the displacement
C. Initial velocity of the object
D. Displacement

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