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

Question # 2

When two protons are brought are brought closer potential energy of both of them:

Question # 3

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

Question # 4

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

Question # 5

The dimensions of work

Question # 6

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

Question # 7

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 # 8

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

Question # 9

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

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

Question # 12

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

Question # 13

Which one is conservative force

Question # 14

Work is a:

Question # 15

The tidal energy is due to gravitational pull of :

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 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
2 The work done on the body will be zero if:
A. No force is applied on the body
B. Force is applied but no displacement
C. Angle between F(force) and d(displacement) is 90°
D. All of these are correct
3 If one newton force acts on a body and displaces the body through 1m work done on body is
A. 1 dyne
B. 1 joule
C. 1KJ
D. 1 Watt
4 The consumption of energy by a 60 W bulb in 2 minutes is:
A. 2 watt-hour
B. 120 watt-hour
C. 30 watt-hour
D. None of these
5 The tidal energy is produced due to rotation of Earth relative to:
A. Moon
B. Sun
C. Oceans
D. Water
6 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
7 1 J = ________?
A. 107erges
B. 10-7erges
C. 105erges
D. 10-5erges
8 Work done in lower and bucket into the well is:
A. Zero
B. Positive
C. Negative
D. None of these
9 The space around the earth within it exerts a force of attraction on other bodies of known as:
A. Nuclear field
B. Conservative field
C. Electric field
D. Gravitational field
10 The energy stored int he water of the dam is:
A. Electric energy
B. Kinetic energy
C. Potential energy
D. None of these

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