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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 100 kg car is moving at a speed of 10 m/sec and comes to rest after covering a distance of 50 m. the amount of work done against friction is:
Question # 2
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 # 3
The power of an electric generating station is expressed in:
Question # 4
If force and displacement are in opposite direction, the work done is taken as
Question # 5
The Space around the Earth within which it exerts a force of attraction on other bodies is known as
Question # 6
The work done in moving a body between two points in a conservative field is independent of the
Question # 7
Work is a:
Question # 8
The space around the earth within which it expects a force of attraction on other bodies is known as:
Question # 9
Work done is maximum when angle between force and displacement is
Question # 10
The field in which work done is moving body between two points depends upon the path followed is called:
Question # 11
Work is a Quantity
Question # 12
Watt x second is unit of:
Question # 13
A 2 kg block is held 1 m above floor for 50 seconds. The work done is:
Question # 14
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 # 15
The tidal energy is produced due to rotation of Earth relative to:
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 | The unit of work in CGS system is |
A. Joule
B. Erg
C. Dyne
D. Watt
|
| 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 | Power is a : |
A. Vector quantity
B. Base quantity
C. Scalar quantity
D. None of these
|
| 4 | Energy stored in the spring of a watch is called |
A. Potential energy
B. Kinetic energy
C. Nuclear energy
D. Elastic potential
|
| 5 | When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is |
A. 0.5 J
B. 2 J
C. 0.25 J
D. 1 J
|
| 6 | Watt x second is unit of: |
A. Force
B. Work
C. Power
D. None of these
|
| 7 | In the force applied is parallel to the direction of motion, then work done is: |
A. Maximum
B. Minimum
C. Zero
D. None of these
|
| 8 | SI Unit of work is |
A. Nm-1
B. Joule
C. Nms
D. Both a and b
|
| 9 | 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
|
| 10 | Work done along a closed path in a gravitational field is: |
A. Maximum
B. Minimum
C. Zero
D. Unity
|
Test Questions
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