ECAT Pre Engineering Physics Chapter 4 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 4 Work and Energy

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 4 Work and Energy

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Physics ECAT Pre Engineering Chapter 4 Work and Energy

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Question # 1

1 J = ________?

Question # 2

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

Question # 3

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

Question # 4

Which force is not a conservative force?

Question # 5

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

Question # 6

The consumption of energy by a 60 W bulb in 2 minutes is:

Question # 7

When velocity of moving body is doubled, the quantity which is also doubled is its:

Question # 8

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

Question # 9

Work is a

Question # 10

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 # 11

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

Question # 12

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

Question # 13

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 # 14

Tick the conservative force

Question # 15

Power is a :

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 The tidal energy is produced due to rotation of Earth relative to:
A. Moon
B. Sun
C. Oceans
D. Water
2 Work has a dimension as that of:
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
3 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
4 Maximum work is done when force and displacement are
A. Parallel
B. Antiparallel
C. Perpendicular
D. Both a and b
5 Escape velocity from surface of Moon as compared to that from Earth surface is:
A. Greater
B. Smaller
C. Equal
D. None of thes
6 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°
7 Work is product of:
A. Force and velocity
B. Heat and energy
C. Force and displacement
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 Tick the conservation force:
A. Tension in a string
B. Air resistance force
C. Elastic spring
D. Frictional force
10 Work-energy principle states that work done on the body by applied force is equal to change in:
A. Potential energy
B. Kinetic nergy
C. Linear momentum
D. None of these

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