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 work performed on an object does not depend on

Question # 2

Which one is conservative force

Question # 3

Work is a:

Question # 4

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

Question # 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:

Question # 6

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

Question # 7

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

Question # 8

Tick the conservative force

Question # 9

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

Question # 10

A boy pulls a toy car through a distance of 5 m by applying a force of 0.5 N, which makes and angle of 60° with the horizontal. The work done by the boy is:

Question # 11

A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which force makes with the direction of motion of a body is:

Question # 12

The work done by a force, keeping an object in circular motion with constant speed is:

Question # 13

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

Question # 14

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

Question # 15

Work done is independent of path followed in _______

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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 Work is a 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 are correct
3 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
4 Work is product of:
A. Force and velocity
B. Heat and energy
C. Force and displacement
D. None of these
5 Work done is lowering the bucket into the well is:
A. Zero
B. Positive
C. Negative
D. None of these
6 When the body is moves against the force of friction on a horizontal plane, the work done by the body is:
A. Positive
B. Negative
C. Zero
D. None of these
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 Tick the conservative force
A. Tension in a string
B. Air resistance
C. Elastic spring
D. Frictional force
9 Work has the dimensions as that of
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
10 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

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