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

Start Test Download PDF

ECAT Pre General Science Physics Chapter 4 Work and Energy

00:00
Question # 1

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

Question # 2

Escape velocity from surface of Moon as compared to that from Earth surface is:

Question # 3

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

Question # 4

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

Question # 5

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 # 6

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

Question # 7

The power of an electric generating station is expressed in:

Question # 8

Work is a scalar product of

Question # 9

Tick the conservation force:

Question # 10

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:

Question # 11

Work done is maximum when angle between force and displacement is

Question # 12

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 # 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:

Question # 14

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 # 15

Work done in lower and bucket into the well is:

Question # 16

The work done on the body will be zero if:

Question # 17

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 # 18

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

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

Work is always done on a body when:

Question # 25

The commercial unit of electrical energy is :

Question # 26

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:

Question # 27

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

Question # 28

A solar cell is made from:

Question # 29

Work done along a closed path in a gravitational field is:

Question # 30

Maximum work is done when force and displacement are

Submit

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


Topic Test

00:00
Submit

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

ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 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:
A. Minimum Work
B. Maximum Work
C. Zero Work
D. Negative Work
2 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
3 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°
4 A two Kg block is held 1 m above the floor for 50 seconds, the work done is:
A. Zero
B. 10.2 J
C. 100 J
D. 980 J
5 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
6 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
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 Work is a always done on a body when
A. A force acts on it
B. It moves through certain distance
C. None of A or B is correct
D. Both A and B are correct
9 Work is a:
A. Scalar quantity
B. Vector quantity
C. Base quantity
D. None of these
10 Which one is conservative force
A. Electric force
B. Frictional force
C. Normal force
D. Air resistance

Test Questions

Is this page helpful?