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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
Centripetal force performs:
Question # 2
Centripetal acceleration is also called ______ acceleration
Question # 3
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:
Question # 4
Radian is defined as the angle subtended at the center of a circle by an arc of:
Question # 5
One radian is
Question # 6
The useful unit of the angular displacement in SI unit is:
Question # 7
One radian is equal to:
Question # 8
Satellites are held in orbits around Earth by its:
Question # 9
Moment of inertia depends upon:
Question # 10
In rotational motion, analogue of force F us called:
Question # 11
Angular velocity is a:
Question # 12
A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:
Question # 13
The number of "Earth stations" which transmit signals to satellites and receive signals from them are:
Question # 14
A body moving along the circumference of a circle of radius R completes one revolution. The radius of the covered path to the angle subtended at the center is:
Question # 15
When a body moves with a constant speed in a circle:
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 -
M Muneeb ur Rehman 30 - Jun - 2026 02 Min 28 Sec 60/60 -
M Manoush Fatima 29 - May - 2024 03 Min 49 Sec 60/60 -
Z Zain hassan Zain 22 - May - 2024 01 Min 55 Sec 55/60 -
A Abdullah Baloch 01 - Aug - 2024 03 Min 09 Sec 55/60 -
M Mian House 30 - May - 2024 05 Min 25 Sec 55/60 -
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 -
S suzi 09 - Feb - 2026 01 Min 49 Sec 48/60 -
K khawar saleemi 27 - Sep - 2024 02 Min 16 Sec 45/60 -
A Ahmad Khan 25 - Aug - 2024 08 Min 59 Sec 45/60 -
M M.Faiq 18 - May - 2024 02 Min 11 Sec 40/60
ECAT Physics Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | A rotating body tends to be slower, when its angular acceleration is: |
A. Positive
B. Negative
C. Zero
D. Infinity
|
| 2 | INTELSAT operates at frequencies 4, 6, 11, 14 having unit of: |
A. KHz
B. MHz
C. GHz
D. BHz
|
| 3 | When a body moves with a constant speed in a circle: |
A. No work is done on it
B. No acceleration is produced in the body
C. Velocity remains constant
D. None of these
|
| 4 | 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
|
| 5 | Centripetal acceleration is also called ______ acceleration: |
A. Tangential
B. Radial
C. Angular
D. None of them
|
| 6 | The number of "Earth stations" which transmit signals to satellites and receive signals from them are: |
A. 3
B. 24
C. 126
D. 200
|
| 7 | Moment of inertia depends upon: |
A. Mass
B. Selection of axis of rotation
C. Both of them
D. None of these
|
| 8 | If a gymnast is 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. Remains constant
D. None of these
|
| 9 | ______ plays the same role during angular motion as played by the mass in linear motion |
A. Torque
B. Angular Momentum
C. Moment of a force
D. Moment of inertia
|
| 10 | The number of "Earth Stations" which transmit signals to satellites and receive signals fro them are |
A. 3
B. 24
C. 126
D. 200
|
Test Questions
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