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

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

Question # 2

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

Question # 3

Work is product of:

Question # 4

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

Question # 5

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 # 6

When the body is moves against the force of friction on a horizontal plane, the work done by the body is:

Question # 7

Work done is independent of path followed in _______

Question # 8

The work done on the body will be zero if:

Question # 9

Work done in lower and bucket into the well is:

Question # 10

Tick the conservative force

Question # 11

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

Question # 12

Work is a:

Question # 13

Which one is conservative force

Question # 14

The work performed on an object does not depend on:

Question # 15

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

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 Tick the conservative force
A. Tension in a string
B. Air resistance
C. Elastic spring
D. Frictional force
2 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. 2 J
B. 0.25 J
C. 1 J
D. 0.5 J
3 Tick the conservation force:
A. Tension in a string
B. Air resistance force
C. Elastic spring
D. Frictional force
4 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
5 Work is always done on a body when:
A. A force acts on it
B. It moves through certain distance
C. None of A or B is correct
D. Both A and B is correct
6 Work is product of:
A. Force and velocity
B. Heat and energy
C. Force and displacement
D. None of these
7 Work done in lower and bucket into the well is:
A. Zero
B. Positive
C. Negative
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 is 25J. the angle which the force makes with the direction of motion will be:
A. 60°
B. 90°
C. 30°
D. 0°
9 The work done in 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
10 A 2 kg block is held 1 m above floor for 50 seconds. The work done is:
A. Zero
B. 10.2 J
C. 100 J
D. 980 J

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