ECAT Pre General Science Physics Chapter 4 MCQ Test With Answer

Question # 1

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 # 2

Work done is lowering the bucket into the well is:

Zero A
Positive B
Negative C
None of these D

Question # 3

Area under the force displacement graph gives

Power A
Work B
Heat C
Energy D

Question # 4

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

1.25 J A
12.5 J B
125 J C
None of these D

Question # 5

Tick the conservative force

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

Question # 6

Work done is maximum when angle between force and displacement is:

0° A
90° B
180° C
None of these D

Question # 7

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 # 8

When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is

0.5 J A
2 J B
0.25 J C
1 J D

Question # 9

Tick the conservation force:

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

Question # 10

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

Unity A
Infinity B
Zero C
-Fd D

Question # 11

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 # 12

Power is a :

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

Question # 13

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 # 14

Work is a:

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

Question # 15

The work done 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 # 16

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

Potential A
Chemical B
Mechanical C
sound and heat D

Question # 17

Work is always done on a body when:

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

Question # 18

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 # 19

The tidal energy is due to gravitational pull of :

sun A
moon B
Mars C
None of these D

Question # 20

The types of mechanical energy is/are:

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

Question # 21

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 # 22

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 # 23

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

Moon A
Sun B
Oceans C
Water D

Question # 24

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 # 25

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 # 26

Watt x second is unit of:

Force A
Work B
Power C
None of these D

Question # 27

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 # 28

Most of the geysers occur in:

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

Question # 29

Work is product of:

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

Question # 30

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

Sr.#	Question	Answer
1	The types of mechanical energy is/are:	A. Kinetic energy B. Potential energy C. Both of these D. None of these
2	The angle between centripetal force and displacement of the body moving in a circle is:	A. 0° B. 90° C. 180° D. None of these
3	Watt x second is unit of:	A. Force B. Work C. Power D. None of these
4	The tidal energy is due to gravitational pull of :	A. sun B. moon C. Mars D. None of these
5	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. +5 x 10¹J B. +5 x 10²J C. +5 x 10³J D. +5 x 10⁴J
6	Work done by the force of friction is always	A. Positive B. Zero C. Negative D. Maximum
7	Work done on a body by gravity in lifting it up to certain height is	A. Maximum B. Minimum C. Zero D. Negative
8	The dimensions of work	A. [MLT^-1] B. [MLT^-2] C. [ML²T^-2] D. [MLT]
9	Area under the force displacement graph gives	A. Power B. Work C. Heat D. Energy
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 done on the body will be zero if:

Work done is lowering the bucket into the well is:

Area under the force displacement graph gives

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

Tick the conservative force

Work done is maximum when angle between force and displacement is:

The work performed on an object does not depend on:

When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is

Tick the conservation force:

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

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

Power is a :

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

Work is a:

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

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

Work is always done on a body when:

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

The tidal energy is due to gravitational pull of :

The types of mechanical energy is/are:

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

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

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

Work is always done on a body when:

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:

Watt x second is unit of:

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

Most of the geysers occur in:

Work is product of:

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:

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