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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
The work done by a force, keeping an object in circular motion with constant speed is:
Question # 3
A field in which the work done in moving a body along closed path is zero is called
Question # 4
When the body is moves against the force of friction on a horizontal plane, the work done by the body is:
Question # 5
The field in which work done in moving a body between two points depends upon the path followed is called:
Question # 6
The work done in moving a body between two points in a conservation field is independent of the:
Question # 7
Tick the conservation force:
Question # 8
Work-energy principle states that work done on the body by applied force is equal to change in:
Question # 9
A solar cell is made from:
Question # 10
Work has a dimension as that of:
Question # 11
The commercial unit of electrical energy is :
Question # 12
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 # 13
Energy stored in the spring of a watch is called
Question # 14
When velocity of moving body is doubled, the quantity which is also doubled is its:
Question # 15
When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done 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 | 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: |
A. 1.25 J
B. 12.5 J
C. 125 J
D. None of these
|
| 2 | The types of mechanical energy is/are: |
A. Kinetic energy
B. Potential energy
C. Both of these
D. None of these
|
| 3 | The unit of work in CGS system is |
A. Joule
B. Erg
C. Dyne
D. Watt
|
| 4 | 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
|
| 5 | 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: |
A. 60°
B. 90°
C. 30°
D. 0°
|
| 6 | Work has the dimension as that of: |
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
|
| 7 | If force and displacement are in opposite direction, the work done is taken as: |
A. Positive work
B. Negative work
C. Zero work
D. Infinte work
|
| 8 | Which of the following is not a unit of power: |
A. J-sec
B. Watt
C. N m/sec
D. Horsepower
|
| 9 | Work is a: |
A. Scalar quantity
B. Vector quantity
C. Base quantity
D. None of these
|
| 10 | The work done by a force keeping an object in circular motion with constant speed is: |
A. Zero J.
B. 0.1 J
C. 1 J
D. 0.01 J
|
Test Questions
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