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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 2 kg block is held 1 m above floor for 50 seconds. The work done is:
Question # 2
The space around the earth in which its gravitational force acts on a body is called
Question # 3
A laborer carrying a load on his head moves from the rest on a horizontal road to another point where he comes to rest. He has done:
Question # 4
When force and displacement are perpendicular to each other than work is equal to
Question # 5
Work is always done on a body when:
Question # 6
Work done is lowering the bucket into the well is:
Question # 7
A solar cell converts energy of the Sun into:
Question # 8
Work is always done on a body when:
Question # 9
The work performed on an object does not depend on
Question # 10
Work done is maximum when angle between force and displacement is:
Question # 11
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:
Question # 12
Work is a Quantity
Question # 13
Work done in lower and bucket into the well is:
Question # 14
Maximum work is done when force and displacement are
Question # 15
When the body is moves against the force of friction on a horizontal plane, the work done by the body is:
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 -
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 -
Z Zain hassan Zain 22 - May - 2024 02 Min 34 Sec 55/60 -
M Mian House 18 - May - 2024 03 Min 28 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 -
K Kifayet Ali 27 - May - 2024 05 Min 33 Sec 50/60 -
M M And M Gaming 04 - Jun - 2024 08 Min 49 Sec 50/60
ECAT Physics Chapter 4 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Tick the conservation force: |
A. Tension in a string
B. Air resistance force
C. Elastic spring
D. Frictional force
|
| 2 | Work is product of: |
A. Force and velocity
B. Heat and energy
C. Force and displacement
D. None of these
|
| 3 | 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. 2 J
B. 0.25 J
C. 1 J
D. 0.5 J
|
| 4 | 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
|
| 5 | Work has the dimension as that of: |
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
|
| 6 | The power of an electric generating station is expressed in: |
A. Kilo Jule
B. Kilowatt-hour
C. Kilo watt
D. Watt
|
| 7 | 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
|
| 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 | A two Kg block is held 1 m above the floor for 50 seconds, the work done is: |
A. Zero
B. 10.2 J
C. 100 J
D. 980 J
|
| 10 | A boy pulls a toy car through a distance of 5 m by applying a force of 0.5 N, which makes and angle of 60° with the horizontal. The work done by the boy is: |
A. 1.25 J
B. 12.5 J
C. 125 J
D. None of these
|
Test Questions
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