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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
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Question # 1
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 # 2
In case of planets, the necessary acceleration is provided by:
Question # 3
When angular acceleration is positive, the body rotates:
Question # 4
A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:
Question # 5
Direction of angular momentum is determined by:
Question # 6
Centripetal acceleration is also called ______ acceleration:
Question # 7
One radian is equal to:
Question # 8
A rotating body tends to be slower, when its angular acceleration is:
Question # 9
Conventionally the angular velocity is directed to an angle of:
Question # 10
Einstein's theory about gravity if better than Newton's because it gave explanation of:
Question # 11
Which one is related to angular motion:
Question # 12
Angular velocity is a:
Question # 13
A rotating wheel accelerates up to the value of 0.75 rev/sec2after 2 seconds of its start. Its angular velocity becomes:
Question # 14
INTELSAT operates at frequencies 4, 6, 11, 14 having unit of
Question # 15
Conventionally the angular velocity is directed at an angle of
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 -
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ECAT Physics Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Moment of inertia depends upon: |
A. Mass
B. Selection of axis of rotation
C. Both of them
D. None of these
|
| 2 | The number of countries who manage the largest satellite system is: |
A. 3
B. 24
C. 126
D. 200
|
| 3 | Direction of motion _______ in circular motion |
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
|
| 4 | When angular acceleration is positive, the body rotates: |
A. Slower
B. Slowest
C. Faster
D. None of these
|
| 5 | Einstein's theory about gravity if better than Newton's because it gave explanation of: |
A. Inverse square law
B. Bending of light
C. Both A and B
D. None of above
|
| 6 | Direction of motion_______ in circular of motion: |
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
|
| 7 | 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: |
A. 5 rad/sec2
B. -10 rav/sec2
C. -10 rad/sec2
D. -5 rav/sec2
|
| 8 | One radian is |
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of these
|
| 9 | Which one is related to angular motion: |
A. Moment of a force
B. Moment of inertia
C. Moment of momentum
D. None of these
|
| 10 | 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
|
Test Questions