ECAT Pre Computer Science Chapter 4 MCQ Test With Answer

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

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

  • Total Questions15

  • Time Allowed20

Start Test Download PDF

ECAT Physics Chapter 4 Work and Energy

00:00
Question # 1

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

Question # 2

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

Question # 3

The power of an electric generating station is expressed in:

Question # 4

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

Question # 5

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

Question # 6

Work is product of:

Question # 7

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

Question # 8

Which force is not a conservative force:

Question # 9

If work is done at the rate of 2 k j per second, then total work done is half an hour will be:

Question # 10

Watt x second is unit of:

Question # 11

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 # 12

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

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

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

Question # 15

Work-energy principle states that work done on the body by applied force is equal to change in:

Submit

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


Topic Test

00:00
Submit

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

  • D
    dark goblin 10 - Jul - 2024 00 Min 49 Sec 60/60
  • A
    ali moid 21 - Jul - 2024 00 Min 57 Sec 60/60
  • Z
    Z G 07 - Jun - 2024 01 Min 52 Sec 60/60
  • A
    Ahmad Khan 23 - Aug - 2024 04 Min 49 Sec 60/60
  • M
    Manoush Fatima 29 - May - 2024 06 Min 16 Sec 60/60
  • S
    Sara Hannan 28 - Nov - 2024 06 Min 23 Sec 60/60
  • H
    Hussain Iqbal 23 - Jan - 2026 01 Min 25 Sec 56/60
  • T
    Tasser Haider 30 - May - 2024 02 Min 08 Sec 55/60
  • A
    Abdullah Baloch 08 - Aug - 2024 02 Min 22 Sec 55/60
  • M
    Muhammad Hashim 31 - May - 2024 02 Min 23 Sec 55/60
  • Z
    Zain hassan Zain 22 - May - 2024 02 Min 34 Sec 55/60
  • A
    Adil Tarar 18 - Dec - 2024 07 Min 44 Sec 55/60
  • M
    Maham Mehar 30 - Jul - 2024 09 Min 50 Sec 55/60
  • S
    Saira Idrees 30 - Mar - 2026 02 Min 27 Sec 52/60
  • K
    Kifayet Ali 27 - May - 2024 05 Min 33 Sec 50/60

ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 The space around the earth within it exerts a force of attraction on other bodies of known as:
A. Nuclear field
B. Conservative field
C. Electric field
D. Gravitational field
2 When a body 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 A 2 kg block is held 1 m above floor for 50 seconds. The work done is:
A. Zero
B. 10.2 J
C. 100 J
D. 980 J
4 Tick the conservative force
A. Tension in a string
B. Air resistance
C. Elastic spring
D. Frictional force
5 The work done by a force keeping an object in circular motion with constant speed is:
A. Zero J.
B. 0.1 J
C. 1 J
D. 0.01 J
6 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:
A. 0°
B. 30°
C. 60°
D. 90°
7 The dimensions of work
A. [MLT-1]
B. [MLT-2]
C. [ML2T-2]
D. [MLT]
8 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
9 When force and displacement are perpendicular to each other than work is equal to
A. Unity
B. Infinity
C. Zero
D. -Fd
10 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

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!