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

Maximum work is done when force and displacement are

Question # 2

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

Question # 3

Most of the geysers occur in:

Question # 4

Work done by the force of friction is always

Question # 5

Work has the dimensions as that of

Question # 6

Work is always done on a body when:

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

The dimensions of work

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

The total work done in moving the body up and then down through the same height in a gravitational field is equal to:

Question # 13

Power is a :

Question # 14

Work is a:

Question # 15

Which of the following type of force can do no work on the particle on which it acts:

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 Work is a:
A. Scalar quantity
B. Vector quantity
C. Base quantity
D. None of these
2 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:
A. 0°
B. 30°
C. 60°
D. 90°
3 A two Kg block is held 1 m above the floor for 50 seconds, the work done is:
A. Zero
B. 10.2 J
C. 100 J
D. 980 J
4 If force and displacement are in opposite direction, the work done is taken as:
A. Positive work
B. Negative work
C. Zero work
D. Infinite work
5 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
6 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°
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
A. 0.5 J
B. 2 J
C. 0.25 J
D. 1 J
8 The value of escape velocity of Earth planet comes out to be:
A. 11 m/sec
B. 11 km/sec
C. 11 km/hour
D. 11 cm/sec
9 Power is a :
A. Vector quantity
B. Base quantity
C. Scalar quantity
D. None of these
10 A solar cell converts energy of the Sun into:
A. Heat energy
B. Magnetic energy
C. Light energy
D. Sound energy

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