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 which it expects a force of attraction on other bodies is known as:

Question # 2

If we draw a graph between d (along x-axis) and F (along y-axis) and get a straight line horizontal to x-axis, then area under this straight line represents:

Question # 3

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

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 is 25J. the angle which the force makes with the direction of motion will be:

Question # 5

Which force is not a conservative force?

Question # 6

Tick the conservative force

Question # 7

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 # 8

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

Question # 9

The work performed on an object does not depend on

Question # 10

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

Question # 11

Which of the following is not a unit of power:

Question # 12

The dimensions of work

Question # 13

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

Question # 14

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

Question # 15

Work done along a closed path in a gravitational field is:

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 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°
2 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:
A. 0°
B. 30°
C. 60°
D. 90°
3 Work has a dimension as that of:
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
4 Which force is not a conservative force?
A. Frictional force
B. Gravitational force
C. Electric force
D. Elastic spring force
5 Work is a Quantity
A. Vector
B. Scalar
C. Non-physical
D. None of these
6 Which force is not a conservative force:
A. Frictional force
B. Gravitational force
C. Electric force
D. Elastic spring force
7 Most of the geysers occur in:
A. Volcanic regions
B. Magnetic regions
C. Northern region
D. None of these
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 Which of the following is not a unit of power:
A. J-sec
B. Watt
C. N m/sec
D. Horsepower
10 Energy stored in the spring of a watch is called
A. Potential energy
B. Kinetic energy
C. Nuclear energy
D. Elastic potential

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