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MCQ's Test For ECAT Physics Chapter 4 Work and Energy
Try The MCQ's Test For ECAT Physics Chapter 4 Work and Energy
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 4 Work and Energy
00:00
Question # 1
A solar cell converts energy of the Sun into:
Question # 2
When a body moves against the force of friction on a horizontal plane, the work done by the body is:
Question # 3
The unit of work in CGS system is
Question # 4
Work is always done on a body when:
Question # 5
Tick the conservative force
Question # 6
Which of the following is not a unit of power:
Question # 7
Which force is not a conservative force?
Question # 8
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:
Question # 9
Work is a scalar product of
Question # 10
The Space around the Earth within which it exerts a force of attraction on other bodies is known as
Question # 11
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 # 12
In the force applied to parallel to the direction of motion, then the work done is:
Question # 13
The work done by a force, keeping an object in circular motion with constant speed is:
Question # 14
If one newton force acts on a body and displaces the body through 1m work done on body is
Question # 15
Which of the following type of force can do no work on the particle on which it acts:
Top Scorers Of ECAT Physics Chapter 4 Work and Energy MCQ`s Test
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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 -
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 -
M Muneeb ur Rehman 30 - Jun - 2026 02 Min 53 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 | Which force is not a conservative force: |
A. Frictional force
B. Gravitational force
C. Electric force
D. Elastic spring force
|
| 2 | Work-energy principle states that work done on the body by applied force is equal to change in: |
A. Potential energy
B. Kinetic nergy
C. Linear momentum
D. None of these
|
| 3 | Work is a Quantity |
A. Vector
B. Scalar
C. Non-physical
D. None of these
|
| 4 | If one newton force acts on a body and displaces the body through 1m work done on body is |
A. 1 dyne
B. 1 joule
C. 1KJ
D. 1 Watt
|
| 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 | 1 J = ________? |
A. 107erges
B. 10-7erges
C. 105erges
D. 10-5erges
|
| 7 | 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
|
| 8 | The dimensions of work |
A. [MLT-1]
B. [MLT-2]
C. [ML2T-2]
D. [MLT]
|
| 9 | The commercial unit of electrical energy is : |
A. K Watt
B. KWH
C. Horse power
D. Joule
|
| 10 | The unit of work in CGS system is |
A. Joule
B. Erg
C. Dyne
D. Watt
|
Test Questions
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