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

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

Question # 2

The work performed on an object does not depend on:

Question # 3

The Space around the Earth within which it exerts a force of attraction on other bodies is known as

Question # 4

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

Question # 5

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

Question # 6

Power is a :

Question # 7

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:

Question # 8

Which one is conservative force

Question # 9

The work performed on an object does not depend on:

Question # 10

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

Question # 11

Work done on a body by gravity in lifting it up to certain height is

Question # 12

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

Question # 13

Watt x second is unit of:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 The energy stored int he water of the dam is:
A. Electric energy
B. Kinetic energy
C. Potential energy
D. None of these
2 Tick the conservative force
A. Tension in a string
B. Air resistance
C. Elastic spring
D. Frictional force
3 The commercial unit of electrical energy is :
A. K Watt
B. KWH
C. Horse power
D. Joule
4 In the force applied is parallel to the direction of motion, then work done is:
A. Maximum
B. Minimum
C. Zero
D. None of these
5 The space around the earth within which it expects a force of attraction on other bodies is known as:
A. Nuclear field
B. Conservative field
C. Electric field
D. Gravitational field
6 If force and displacement are in opposite direction, the work done is taken as:
A. Positive work
B. Negative work
C. Zero work
D. Infinte work
7 Work done by the force of friction is always
A. Positive
B. Zero
C. Negative
D. Maximum
8 When force and displacement are perpendicular to each other than work is equal to
A. Unity
B. Infinity
C. Zero
D. -Fd
9 The work done by a force, keeping an object in circular motion with constant speed is:
A. Zero J
B. 1 J
C. 0.1 J
D. 0.01 J
10 1 J = ________?
A. 107erges
B. 10-7erges
C. 105erges
D. 10-5erges

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