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

Which one is conservative force

Question # 2

The work performed on an object does not depend on:

Question # 3

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

Question # 4

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 # 5

When a falling body hits ground, its KE changes to _____ energy.

Question # 6

If work is done at the rate of 2 k j per second, then total work done is half an hour will be:

Question # 7

The value of escape velocity of Earth planet comes out to be:

Question # 8

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

Question # 9

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

Question # 10

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 # 11

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

Question # 12

Work is product of:

Question # 13

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

Question # 14

Work-energy principle states that work done on the body by applied force is equal to change in:

Question # 15

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

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 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
2 When force and displacement are perpendicular to each other than work is equal to
A. Unity
B. Infinity
C. Zero
D. -Fd
3 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
4 Which of the following type 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 Most of the geysers occur in:
A. Volcanic regions
B. Magnetic regions
C. Northern region
D. None of these
6 The work done in moving a body between two points in a conservative field is independent of the
A. Direction
B. Force applied
C. Path followed by the body
D. Power
7 Area under the force displacement graph gives
A. Power
B. Work
C. Heat
D. Energy
8 The work done moving a body between two points in a conservation field is independent of the:
A. Direction
B. Force applied
C. Path followed by the body `
D. Power
9 Work done is maximum when angle between force and displacement is:
A. 0°
B. 90°
C. 180°
D. None of these
10 Work is a:
A. Scalar quantity
B. Vector quantity
C. Base quantity
D. None of these

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