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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
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Question # 1
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 # 2
Work done by the force of friction is always
Question # 3
The work done in moving a body between two points in a conservative field is independent of the
Question # 4
Tick the conservation force:
Question # 5
Work is always done on a body when:
Question # 6
If work is done at the rate of 2 k j per second, then total work done is half an hour will be:
Question # 7
Work is a scalar product of
Question # 8
When a body moves against the force of friction on a horizontal plane, the work done by the body is:
Question # 9
The amount of coal used since 1945 up till now as compared to that used in the whole of history before that is
Question # 10
When two protons are brought are brought closer potential energy of both of them:
Question # 11
Watt x second is unit of:
Question # 12
The angle between centripetal force and displacement of the body moving in a circle is:
Question # 13
The ultimate source of money sources of energy is:
Question # 14
A field in which the work done in moving a body along closed path is zero is called
Question # 15
A field in which the work done is moving a body along closed path is zero is called:
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 | 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
|
| 2 | Work is a: |
A. Scalar quantity
B. Vector quantity
C. Base quantity
D. None of these
|
| 3 | 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
|
| 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 | Energy stored in the spring of a watch is called |
A. Potential energy
B. Kinetic energy
C. Nuclear energy
D. Elastic potential
|
| 6 | Work done along a closed path in a gravitational field is: |
A. Maximum
B. Minimum
C. Zero
D. Unity
|
| 7 | 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: |
A. 60°
B. 90°
C. 30°
D. 0°
|
| 8 | 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
|
| 9 | Tick the conservation force: |
A. Tension in a string
B. Air resistance force
C. Elastic spring
D. Frictional force
|
| 10 | The total work done in moving the body up and then down through the same height in a gravitational field is equal to: |
A. mgh
B. Its wight
C. Weight X height
D. Zero
|
Test Questions