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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
Work done by the force of friction is always
Question # 2
Which of the following is not a unit of power:
Question # 3
If work is done at the rate of 2 k j per second, then total work done is half an hour will be:
Question # 4
The work performed on an object does not depend on
Question # 5
The work done on the body will be zero if:
Question # 6
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 # 7
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 # 8
A solar cell is made from:
Question # 9
Watt x second is unit of:
Question # 10
Work done is maximum when angle between force and displacement is:
Question # 11
Work-energy principle states that work done on the body by applied force is equal to change in:
Question # 12
The dimensions of work
Question # 13
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 # 14
If force and displacement are in opposite direction, the work done is taken as:
Question # 15
A solar cell converts energy of the Sun into:
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 work done by a force, keeping an object in circular motion with constant speed is: |
A. Zero J
B. 1 J
C. 0.1 J
D. 0.01 J
|
| 2 | 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
|
| 3 | Work done is independent of path followed in _______ |
A. Gravitational field
B. Magnetic field
C. Electric field
D. All of these
|
| 4 | 1 J = ________? |
A. 107erges
B. 10-7erges
C. 105erges
D. 10-5erges
|
| 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 | 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
|
| 7 | Which of the following type of force can do no work on the particle on which it acts: |
A. Frictional force
B. Gravitational force
C. Electric force
D. Centripetal force
|
| 8 | Power is a : |
A. Vector quantity
B. Base quantity
C. Scalar quantity
D. None of these
|
| 9 | The work done moving a body between two points in a conservation field is independent of the: |
A. Direction
B. Force applied
C. Path followed by the body `
D. Power
|
| 10 | Work done on a body by gravity in lifting it up to certain height is |
A. Maximum
B. Minimum
C. Zero
D. Negative
|
Test Questions
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