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

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

Question # 2

Work has a dimension as that of:

Question # 3

If force and displacement are in opposite direction, the work done is taken as:

Question # 4

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

Question # 5

The work done on the body will be zero if:

Question # 6

The work performed on an object does not depend on:

Question # 7

Which one is conservative force

Question # 8

The amount of coal used since 1945 up till now as compared to that used in the whole of history before that is

Question # 9

The commercial unit of electrical energy is :

Question # 10

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

Question # 11

Work done in lower and bucket into the well is:

Question # 12

Work has the dimension as that of:

Question # 13

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

Question # 14

Which of the following is not a unit of power:

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 Which one is conservative force
A. Electric force
B. Frictional force
C. Normal force
D. Air resistance
2 A field in which the work done is moving a body along closed path is zero is called:
A. Nuclear filed
B. Conservative field
C. Gravitational field
D. Non-conservative field
3 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
4 The types of mechanical energy is/are:
A. Kinetic energy
B. Potential energy
C. Both of these
D. None of these
5 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
6 Work has the dimensions as that of
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
7 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
8 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
9 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
10 Work is a Quantity
A. Vector
B. Scalar
C. Non-physical
D. None of these

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