ECAT Pre General Science Physics Chapter 4 MCQ Test With Answer

Question # 1

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

Zero J A
1 J B
0.1 J C
0.01 J D

Question # 2

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

Nuclear field A
Conservative field B
Electric field C
Gravitational field D

Question # 3

The work performed on an object does not depend on:

Force applied A
Angle at which force is inclined to the displacement B
Initial velocity of the object C
Displacement D

Question # 4

The value of escape velocity of Earth planet comes out to be:

11 m/sec A
11 km/sec B
11 km/hour C
11 cm/sec D

Question # 5

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 the direction of motion will be:

60° A
90° B
30° C
0° D

Question # 6

A 2 kg block is held 1 m above floor for 50 seconds. The work done is:

Zero A
10.2 J B
100 J C
980 J D

Question # 7

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

Positive A
Negative B
Zero C
None of these D

Question # 8

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:

0° A
30° B
60° C
90° D

Question # 9

The ultimate source of money sources of energy is:

Sun A
Air B
Water C
Petroleum D

Question # 10

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

Increases A
Decreases B
Remains same C
None of these D

Question # 11

The work done on the body will be zero if:

No force is applied on the body A
Force is applied but no displacement B
Angle between F(force) and d(displacement) is 90° C
All of these are correct D

Question # 12

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

Frictional force A
Gravitational force B
Electric force C
Centripetal force D

Question # 13

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

Positive work A
Negative work B
Zero work C
Infinte work D

Question # 14

The power of an electric generating station is expressed in:

Kilo Jule A
Kilowatt-hour B
Kilo watt C
Watt D

Question # 15

The tidal energy is produced due to rotation of Earth relative to:

Moon A
Sun B
Oceans C
Water D

Question # 16

Power is a :

Vector quantity A
Base quantity B
Scalar quantity C
None of these D

Question # 17

Work done is independent of path followed in _______

Gravitational field A
Magnetic field B
Electric field C
All of these D

Question # 18

Work has a dimension as that of:

Torque A
Angular momentum B
Linear momentum C
Power D

Question # 19

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

Positive A
Negative B
Zero C
None of these D

Question # 20

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

Positive work A
Negative work B
Zero work C
Infinite work D

Question # 21

Work is always done on a body when:

A force acts on it A
It moves through certain distance B
None of A or B is correct C
Both A and B is correct D

Question # 22

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

Conservative filed A
Non-conservative field B
Electric field C
None of these D

Question # 23

Work has the dimension as that of:

Torque A
Angular momentum B
Linear momentum C
Power D

Question # 24

The unit of work in CGS system is

Joule A
Erg B
Dyne C
Watt D

Question # 25

Tick the conservative force

Tension in a string A
Air resistance B
Elastic spring C
Frictional force D

Question # 26

Work is a scalar product of

Force, Velocity A
Velocity, Displacement B
Force, Displacement C
Force, Momentum D

Question # 27

Most of the geysers occur in:

Volcanic regions A
Magnetic regions B
Northern region C
None of these D

Question # 28

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

60° A
90° B
30° C
0° D

Question # 29

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

Maximum A
Minimum B
Zero C
Negative D

Question # 30

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:

Power A
Work B
Pressure C
None of these D

Sr.#	Question	Answer
1	Work done is lowering the bucket into the well is:	A. Zero B. Positive C. Negative D. None of these
2	Which of the following type 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
3	The field in which work done in moving a body between two points depends upon the path followed is called:	A. Conservative field B. Non-conservative field C. Electric field D. None of these
4	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
5	Work done is maximum when angle between force and displacement is	A. 0° B. 90° C. 180° D. None of these
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	Work is a:	A. Scalar quantity B. Vector quantity C. Base quantity D. None of these
8	The value of escape velocity of Earth planet comes out to be:	A. 11 m/sec B. 11 km/sec C. 11 km/hour D. 11 cm/sec
9	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:	A. 60° B. 90° C. 30° D. 0°
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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ECAT Pre General Science Physics Chapter 4 MCQ Test With Answer

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

ECAT Pre General Science Physics Chapter 4 Work and Energy

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

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

The work performed on an object does not depend on:

The value of escape velocity of Earth planet comes out to be:

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 the direction of motion will be:

A 2 kg block is held 1 m above floor for 50 seconds. The work done is:

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

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:

The ultimate source of money sources of energy is:

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

The work done on the body will be zero if:

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

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

The power of an electric generating station is expressed in:

The tidal energy is produced due to rotation of Earth relative to:

Power is a :

Work done is independent of path followed in _______

Work has a dimension as that of:

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

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

Work is always done on a body when:

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

Work has the dimension as that of:

The unit of work in CGS system is

Tick the conservative force

Work is a scalar product of

Most of the geysers occur in:

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

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

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:

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