ECAT Pre General Science Physics Chapter 4 MCQ Test With Answer

Question # 1

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 # 2

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 # 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

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 # 5

When a falling body hits ground, its KE changes to _____ energy.

Potential A
Chemical B
Mechanical C
sound and heat D

Question # 6

If one newton force acts on a body and displaces the body through 1m work done on body is

1 dyne A
1 joule B
1KJ C
1 Watt D

Question # 7

Work has a dimension as that of:

Torque A
Angular momentum B
Linear momentum C
Power D

Question # 8

The unit of work in CGS system is

Joule A
Erg B
Dyne C
Watt D

Question # 9

The space around the earth in which its gravitational force acts on a body is called

Electric Field A
Gravitational field B
Magnetic field C
Conservative field D

Question # 10

The energy stored int he water of the dam is:

Electric energy A
Kinetic energy B
Potential energy C
None of these D

Question # 11

Tick the conservation force:

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

Question # 12

A two Kg block is held 1 m above the floor for 50 seconds, the work done is:

Zero A
10.2 J B
100 J C
980 J D

Question # 13

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 # 14

SI Unit of work is

Nm^-1 A
Joule B
Nms C
Both a and b D

Question # 15

A 100 kg car is moving at a speed of 10 m/sec and comes to rest after covering a distance of 50 m. the amount of work done against friction is:

+5 x 10¹J A
+5 x 10²J B
+5 x 10³J C
+5 x 10⁴J D

Question # 16

A laborer carrying a load on his head moves from the rest on a horizontal road to another point where he comes to rest. He has done:

Minimum Work A
Maximum Work B
Zero Work C
Negative Work D

Question # 17

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

Direction A
Force applied B
Path followed by the body C
Power D

Question # 18

Work done by the force of friction is always

Positive A
Zero B
Negative C
Maximum D

Question # 19

Work done is lowering the bucket into the well is:

Zero A
Positive B
Negative C
None of these D

Question # 20

Work is a 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 are correct D

Question # 21

Which force is not a conservative force:

Frictional force A
Gravitational force B
Electric force C
Elastic spring force D

Question # 22

Work is product of:

Force and velocity A
Heat and energy B
Force and displacement C
None of these D

Question # 23

Work is a:

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

Question # 24

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 # 25

The angle between centripetal force and displacement of the body moving in a circle is:

0° A
90° B
180° C
None of these D

Question # 26

The dimensions of work

[MLT^-1] A
[MLT^-2] B
[ML²T^-2] C
[MLT] D

Question # 27

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 # 28

When a body 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 # 29

Energy stored in the spring of a watch is called

Potential energy A
Kinetic energy B
Nuclear energy C
Elastic potential D

Question # 30

A solar cell is made from:

Iron A
Silicon B
Germanium C
Copper D

Sr.#	Question	Answer
1	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
2	When the body is moves against the force of friction on a horizontal plane, the work done by the body is:	A. Positive B. Negative C. Zero D. None of these
3	Energy stored in the spring of a watch is called	A. Potential energy B. Kinetic energy C. Nuclear energy D. Elastic potential
4	In the force applied to parallel to the direction of motion, then the work done is:	A. Positive B. Negative 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	A solar cell is made from:	A. Iron B. Silicon C. Germanium D. Copper
7	The power of an electric generating station is expressed in:	A. Kilo Jule B. Kilowatt-hour C. Kilo watt D. Watt
8	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°
9	Which force is not a conservative force:	A. Frictional force B. Gravitational force C. Electric force D. Elastic spring force
10	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

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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 performed on an object does not depend on

The work performed on an object does not depend on:

The work performed on an object does not depend on:

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

When a falling body hits ground, its KE changes to _____ energy.

If one newton force acts on a body and displaces the body through 1m work done on body is

Work has a dimension as that of:

The unit of work in CGS system is

The space around the earth in which its gravitational force acts on a body is called

The energy stored int he water of the dam is:

Tick the conservation force:

A two Kg block is held 1 m above the 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:

SI Unit of work is

A 100 kg car is moving at a speed of 10 m/sec and comes to rest after covering a distance of 50 m. the amount of work done against friction is:

A laborer carrying a load on his head moves from the rest on a horizontal road to another point where he comes to rest. He has done:

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

Work done by the force of friction is always

Work done is lowering the bucket into the well is:

Work is a always done on a body when

Which force is not a conservative force:

Work is product of:

Work is a:

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

The angle between centripetal force and displacement of the body moving in a circle is:

The dimensions of work

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

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

Energy stored in the spring of a watch is called

A solar cell is made from:

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