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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
SI Unit of work is
Question # 2
The field in which work done is moving body between two points depends upon the path followed is called:
Question # 3
Work-energy principle states that work done on the body by applied force is equal to change in:
Question # 4
Which of the following is not a unit of power:
Question # 5
The commercial unit of electrical energy is :
Question # 6
Escape velocity from surface of Moon as compared to that from Earth surface is:
Question # 7
The angle between centripetal force and displacement of the body moving in a circle is:
Question # 8
If work is done at the rate of 2 k j per second, then total work done is half an hour will be:
Question # 9
A 2 kg block is held 1 m above floor for 50 seconds. The work done is:
Question # 10
If one newton force acts on a body and displaces the body through 1m work done on body is
Question # 11
Work done is maximum when angle between force and displacement is:
Question # 12
The work performed on an object does not depend on
Question # 13
The space around the earth within which it expects a force of attraction on other bodies is known as:
Question # 14
If force and displacement are in opposite direction, the work done is taken as
Question # 15
The types of mechanical energy is/are:
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 -
Z Zain hassan Zain 22 - May - 2024 02 Min 34 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 -
K Kifayet Ali 27 - May - 2024 05 Min 33 Sec 50/60
ECAT Physics Chapter 4 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Work is a scalar product of |
A. Force, Velocity
B. Velocity, Displacement
C. Force, Displacement
D. Force, Momentum
|
| 2 | 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
|
| 3 | The ultimate source of money sources of energy is: |
A. Sun
B. Air
C. Water
D. Petroleum
|
| 4 | A field in which the work done is moving a body along closed path is zero is called: |
A. Nuclear filed
B. Conservative field
C. Gravitational field
D. Non-conservative field
|
| 5 | 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
|
| 6 | When the body is 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 | The power of an electric generating station is expressed in: |
A. Kilo Jule
B. Kilowatt-hour
C. Kilo watt
D. Watt
|
| 8 | 1 J = ________? |
A. 107erges
B. 10-7erges
C. 105erges
D. 10-5erges
|
| 9 | Teh consumption of energy by a 1000 watt heater in half an hour is: |
A. 5 Kwh
B. 0.5 Kwh
C. 2.5 Kwh
D. 3.2 Kwh
|
| 10 | 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
|
Test Questions
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