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

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

  • Total Questions30

  • Time Allowed30

ECAT Pre General Science Physics Chapter 4 Work and Energy

00:00
Question # 1

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

Question # 2

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 # 3

Work is a scalar product of

Question # 4

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

Question # 5

The consumption of energy by a 60 W bulb in 2 minutes is:

Question # 6

Power is a :

Question # 7

Work is a always done on a body when

Question # 8

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:

Question # 9

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

Question # 10

When a wall is pushed by a person very strongly, he has done:

Question # 11

Most of the geysers occur in:

Question # 12

A solar cell is made from:

Question # 13

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

Question # 14

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:

Question # 15

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

Question # 16

Work done is lowering the bucket into the well is:

Question # 17

Work is a Quantity

Question # 18

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:

Question # 19

Work is always done on a body when:

Question # 20

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

Question # 21

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

Question # 22

Which one is conservative force

Question # 23

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

Question # 24

Work has a dimension as that of:

Question # 25

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

Question # 26

A field in which the work done in moving a body along closed path is zero is called

Question # 27

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

Question # 28

The tidal energy is due to gravitational pull of :

Question # 29

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

Question # 30

Work done is maximum when angle between force and displacement is

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 4 Work and Energy MCQs Online With Answers


Top Scorers Of ECAT Pre General Science Physics Chapter 4 Work and Energy MCQ`s Test

  • N
    Naveed 01 - Aug - 2018 06 Min 16 Sec 85/120
  • A
    Alvina Mehak 06 - Jun - 2024 23 Min 59 Sec 85/120
  • E
    Eman Ishtiaq 06 - Jun - 2024 06 Min 08 Sec 80/120
  • W
    Waleed Ahmed 23 - Feb - 2023 13 Min 52 Sec 70/120
  • P
    Pir Dedar shah 17 - Apr - 2018 09 Min 00 Sec 30/120
  • A
    Anwar Ahmad 04 - Jun - 2024 05 Min 28 Sec 10/120
  • U
    Unaiza Zafar 14 - Jul - 2023 09 Min 07 Sec 10/120
  • U
    Unknown 04 - Jun - 2024 01 Min 28 Sec 0/120
  • H
    hamza abid 26 - May - 2022 10 Min 50 Sec 0/120
Sr.# Question Answer
1 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
2 If force and displacement are in opposite direction, the work done is taken as
A. Positive work
B. Negative work
C. Zero work
D. Infinite work
3 Work done is maximum when angle between force and displacement is:
A. 0°
B. 90°
C. 180°
D. None of these
4 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
5 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:
A. 1.25 J
B. 12.5 J
C. 125 J
D. None of these
6 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:
A. Power
B. Work
C. Pressure
D. None of these
7 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
8 Work is always done on a body when:
A. A force acts on it
B. It moves through certain distance
C. None of A and B is correct
D. Both A and B is correct
9 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
10 Work is a
A. Scalar quantity
B. Vector quantity
C. Base quantity
D. None of these
11 A solar cell converts energy of the Sun into:
A. Heat energy
B. Magnetic energy
C. Light energy
D. Sound energy
12 When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is:
A. 2 J
B. 0.25 J
C. 1 J
D. 0.5 J
13 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:
A. Power
B. Work
C. Pressure
D. None of these
14 Work is a scalar product of
A. Force, Velocity
B. Velocity, Displacement
C. Force, Displacement
D. Force, Momentum
15 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
16 The work done moving a body between two points in a conservation field is independent of the:
A. Direction
B. Force applied
C. Path followed by the body `
D. Power
17 When two protons are brought are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
18 The power of an electric generating station is expressed in:
A. Kilo Jule
B. Kilowatt-hour
C. Kilo watt
D. Watt
19 The types of mechanical energy is/are:
A. Kinetic energy
B. Potential energy
C. Both of these
D. None of these
20 Work has the dimension as that of:
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
21 Work has the dimensions as that of
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
22 Which force is not a conservative force:
A. Frictional force
B. Gravitational force
C. Electric force
D. Elastic spring force
23 Work has a dimension as that of:
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
24 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°
25 Work is a:
A. Scalar quantity
B. Vector quantity
C. Base quantity
D. None of these
26 Watt x second is unit of:
A. Force
B. Work
C. Power
D. None of these
27 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:
A. 1.25 J
B. 12.5 J
C. 125 J
D. None of these
28 Which force is not a conservative force?
A. Frictional force
B. Gravitational force
C. Electric force
D. Elastic spring force
29 Most of the geysers occur in:
A. Volcanic regions
B. Magnetic regions
C. Northern region
D. None of these
30 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

Test Questions

Is this page helpful?