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MCQ's Test For ECAT Physics Chapter 5 Circular Motion
Try The MCQ's Test For ECAT Physics Chapter 5 Circular Motion
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 5 Circular Motion
00:00
Question # 1
The center of mass of a sphere lies at:
Question # 2
A body can have constant velocity when it follows:
Question # 3
In case of planets, the necessary acceleration is provided by:
Question # 4
An axis of rotation
Question # 5
Which of the following pairs does not have identical dimensions?
Question # 6
If a gymnast is sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will:
Question # 7
Direction of angular momentum is determined by:
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
Conventionally the angular velocity is directed at an angle of
Question # 10
Centripetal acceleration is also called ________ acceleration
Question # 11
INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:
Question # 12
One radian is equal to:
Question # 13
Moment of inertia depends upon:
Question # 14
Circular motion is an example of motion in:
Question # 15
Conventional the angular Velocity is Directed at an angle of:
Top Scorers Of ECAT Physics Chapter 5 Circular Motion MCQ`s Test
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A ali moid 21 - Jul - 2024 00 Min 36 Sec 60/60 -
D dark goblin 10 - Jul - 2024 00 Min 40 Sec 60/60 -
H Hussain Iqbal 27 - Jan - 2026 01 Min 17 Sec 60/60 -
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M Muhammad Hashim 31 - May - 2024 02 Min 07 Sec 50/60 -
T Tasser Haider 31 - May - 2024 02 Min 22 Sec 50/60 -
Q Qasim Rashid 15 - Apr - 2024 07 Min 29 Sec 50/60 -
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K khawar saleemi 27 - Sep - 2024 02 Min 16 Sec 45/60 -
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M M.Faiq 18 - May - 2024 02 Min 11 Sec 40/60 -
A Asad watto 02 - Jun - 2024 03 Min 11 Sec 40/60
ECAT Physics Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which of the following pairs does not have identical dimensions? |
A. Torque and energy
B. Energy and work
C. Momentum and impulse
D. Mass and moment of inertia
|
| 2 | 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 |
A. 0.05 m
B. 0.08 cm
C. 0.8 m
D. 0.008 m
|
| 3 | Conventional the angular Velocity is Directed at 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 above
|
| 4 | A rotating body tends to be slower, when its angular acceleration is: |
A. Positive
B. Negative
C. Zero
D. Infinity
|
| 5 | The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 9.8 m sec-2comes out to be |
A. 980 N
B. 580 N
C. 1380 N
D. Zero
|
| 6 | An axis of rotation |
A. Is a straight line
B. Is normal to the plane of rotation
C. Passes through pivot point O
D. All of them
|
| 7 | A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be: |
A. 49 rad/sec2
B. 1 rad/sec2
C. 0.16 rev/sec2
D. Both A and C
|
| 8 | Centripetal force performs: |
A. Maximum work
B. Negative work
C. Positive work
D. None of these
|
| 9 | The angular speed of a particle moving along a circular path is 5 Pie rad sec-1, Its period of motion is: |
A. 2.5 sec
B. 0.06 sec
C. 15.7 sec
D. 0.4 sec
|
| 10 | When an object moves with a uniform angular velocity, then its instantaneous angular velocity is equal to: |
A. Zero
B. Its average velocity
C. Its angular displacement
D. None of these
|
Test Questions