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MCQ's Test For Physics ECAT Pre Engineering Chapter 5 Circular Motion
Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 5 Circular Motion
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Total Questions15
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Time Allowed20
Physics ECAT Pre Engineering Chapter 5 Circular Motion
00:00
Question # 1
Centripetal acceleration is also called ________ acceleration
Question # 2
One radian is:
Question # 3
Direction of motion ______ in circular motion:
Question # 4
Moment of inertia depends upon:
Question # 5
When a body moves with a constant speed in a circle:
Question # 6
A rotating body tends to be slower, when its angular acceleration is:
Question # 7
A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:
Question # 8
A point on the rim of a wheel moves 0.2 m when the wheel turns through an angle of 14.3 degrees. The radius of the wheel is
Question # 9
Final velocity of a hoop is __________ the final velocity of a disc having same mass and radius on coming down an inclined plane.
Question # 10
______ plays the same role during angular motion as played by the mass in linear motion
Question # 11
Centripetal force performs:
Question # 12
In rotational motion, analogue of force F us called:
Question # 13
Angular velocity is a:
Question # 14
One radian is equal to:
Question # 15
The rear wheels of an automobile are rev/sec which is reduced to 38 rad/sec in 5 seconds when brakes are applied. Its angular acceleration is:
Top Scorers Of Physics ECAT Pre Engineering Chapter 5 Circular Motion MCQ`s Test
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D Deuspeu 24 - Sep - 2024 00 Min 49 Sec 60/60 -
M M Umer Arain 06 - Nov - 2024 00 Min 15 Sec 55/60 -
M Muhammad Rameez 15 - Sep - 2024 02 Min 50 Sec 55/60 -
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E Eraj Abeer 06 - Dec - 2024 16 Min 49 Sec 45/60 -
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ECAT Physics Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Formula for calculating moment of inertia of the bodies of one pair is same. Tick the answer. |
A. Disc, sphere
B. sphere, hoop
C. Thin rod, hoop
D. Hoop,disc
|
| 2 | Conventionally the angular velocity is directed to an angle of: |
A. 90° to the axis of rotation
B. 30° to the axis of rotation
C. 0° to the axis of rotation
D. None of the above
|
| 3 | Direction of angular momentum is determined by: |
A. Right hand rule
B. Head to tail rule
C. Left hand rule
D. None of them
|
| 4 | One radian is |
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of these
|
| 5 | A point on the rim of a wheel moves 0.2 m where the wheel turns through an angle is 14.3 degrees. The radius of the wheel is: |
A. 0.05 m
B. 0.08 m
C. 0.8 m
D. 0.008 m
|
| 6 | If a gymnast sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will |
A. Increase
B. Decrease
C. Remain constant
D. None of these
|
| 7 | One radian is: |
A. Greater than one degree
B. Less than one degree
C. Equal to degree
D. none of these
|
| 8 | A 1000 Kg car travelling with a speed of 90 km/hr turns around a curve of radius 0.1 km. The necessary centripetal force comes out to be: |
A. 8.1 X 107N
B. 625 N
C. 6250 N
D. None of these
|
| 9 | The rear wheels of an automobile are rotating with an angular velocity of 14 rev/sec which is reduced to 38 rad/sec in 5 second when brakes are applied. Its angular acceleration is: |
A. 5 rad/sec2
B. -10 rev/sec2
C. -10 rad/sec2
D. -5 rev/sec2
|
| 10 | Circular motion is an example of motion in: |
A. One dimension
B. Two dimensions
C. Three dimensions
D. None of these
|
Test Questions
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Ahmed Qureshi
14 Feb 2018wt