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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
When a falling body hits ground, its KE changes to _____ energy.
Question # 2
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 # 3
The work done in moving a body between two points in a conservative field is independent of the
Question # 4
The amount of coal used since 1945 up till now as compared to that used in the whole of history before that is
Question # 5
Work is a scalar product of
Question # 6
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 # 7
Which one is conservative force
Question # 8
Work done is maximum when angle between force and displacement is
Question # 9
Work is a
Question # 10
When force and displacement are perpendicular to each other than work is equal to
Question # 11
Work is a:
Question # 12
Work has a dimension as that of:
Question # 13
The tidal energy is produced due to rotation of Earth relative to:
Question # 14
The value of escape velocity of Earth planet comes out to be:
Question # 15
The work performed on an object does not depend on:
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 | 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
|
| 2 | The unit of work in CGS system is |
A. Joule
B. Erg
C. Dyne
D. Watt
|
| 3 | A field in which the work done in moving a body along closed path is zero is called |
A. Nuclear Field
B. Conservative field
C. Gravitational field
D. Non-conservative field
|
| 4 | The commercial unit of electrical energy is : |
A. K Watt
B. KWH
C. Horse power
D. Joule
|
| 5 | The dimensions of work |
A. [MLT-1]
B. [MLT-2]
C. [ML2T-2]
D. [MLT]
|
| 6 | Which force is not a conservative force? |
A. Frictional force
B. Gravitational force
C. Electric force
D. Elastic spring force
|
| 7 | The amount of coal used since 1945 up till now as compared to that used in the whole of history before that is |
A. Much more
B. Very small
C. No amount at all
D. None of these
|
| 8 | Work is a Quantity |
A. Vector
B. Scalar
C. Non-physical
D. None of these
|
| 9 | 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
|
| 10 | When a wall is pushed by a person very strongly, he has done: |
A. Maximum work
B. Zero work
C. Positive work
D. Negative work
|
Test Questions
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