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MCQ's Test For Physics ECAT Pre Engineering Chapter 4 Work and Energy
Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 4 Work and Energy
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Total Questions15
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Time Allowed20
Physics ECAT Pre Engineering Chapter 4 Work and Energy
00:00
Question # 1
Work is always done on a body when:
Question # 2
The types of mechanical energy is/are:
Question # 3
Work is a scalar product of
Question # 4
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 # 5
The total work done in moving the body up and then down through the same height in a gravitational field is equal to:
Question # 6
Work has the dimension as that of:
Question # 7
Which one is conservative force
Question # 8
The angle between centripetal force and displacement of the body moving in a circle is:
Question # 9
Work is product of:
Question # 10
Work has the dimensions as that of
Question # 11
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 # 12
A 2 kg block is held 1 m above floor for 50 seconds. The work done is:
Question # 13
The tidal energy is produced due to rotation of Earth relative to:
Question # 14
Power is a :
Question # 15
The work done by a force keeping an object in circular motion with constant speed is:
Top Scorers Of Physics ECAT Pre Engineering Chapter 4 Work and Energy MCQ`s Test
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M M Umer Arain 06 - Nov - 2024 00 Min 04 Sec 60/60 -
M Muhammad Rameez 15 - Sep - 2024 01 Min 30 Sec 60/60 -
D Deuspeu 24 - Sep - 2024 01 Min 37 Sec 60/60 -
T Tayyaba Attique 17 - Nov - 2024 02 Min 04 Sec 60/60 -
A Abdullah Zubair 21 - Dec - 2024 02 Min 14 Sec 60/60 -
H Haqqan Mehboob 28 - Nov - 2024 02 Min 30 Sec 60/60 -
K Khalida Amjad 08 - Nov - 2024 03 Min 14 Sec 60/60 -
M Muhammad Areeb Ali 28 - Sep - 2024 08 Min 27 Sec 60/60 -
A Areesha Khawar 12 - Sep - 2024 01 Min 23 Sec 55/60 -
R Rashid Bhatti 19 - Nov - 2024 05 Min 48 Sec 55/60 -
K Kaleem Shahzad 06 - Oct - 2024 09 Min 34 Sec 55/60 -
A Abdullah Baloch 02 - Nov - 2024 01 Min 50 Sec 50/60 -
P Palwasha Junaid 22 - Nov - 2024 01 Min 59 Sec 50/60 -
S Sara Hannan 28 - Nov - 2024 02 Min 08 Sec 50/60 -
H Hp_Probook_4540s Fauji 17 - Nov - 2024 04 Min 41 Sec 50/60
ECAT Physics Chapter 4 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | The consumption of energy by a 60 W bulb in 2 minutes is: |
A. 2 watt-hour
B. 120 watt-hour
C. 30 watt-hour
D. None of these
|
| 3 | The commercial unit of electrical energy is : |
A. K Watt
B. KWH
C. Horse power
D. Joule
|
| 4 | Which one is conservative force |
A. Electric force
B. Frictional force
C. Normal force
D. Air resistance
|
| 5 | 1 J = ________? |
A. 107erges
B. 10-7erges
C. 105erges
D. 10-5erges
|
| 6 | The work done in 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
|
| 7 | 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
|
| 8 | Escape velocity from surface of Moon as compared to that from Earth surface is: |
A. Greater
B. Smaller
C. Equal
D. None of thes
|
| 9 | The field in which work done in moving a body between two points depends upon the path followed is called: |
A. Conservative field
B. Non-conservative field
C. Electric field
D. None of these
|
| 10 | Work is always done on a body when: |
A. A force acts on it
B. It moves through certain distance
C. None of A or B is correct
D. Both A and B is correct
|
Test Questions
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