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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
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Question # 1
If a gymnast sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will
Question # 2
Conventionally the angular velocity is directed to an angle of:
Question # 3
A car is turning around a corner at 10 m/sec as it travels along an arc of circle. If value of centripetal acceleration is 10 m/sec2in this case, find radius of the circular path:
Question # 4
INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:
Question # 5
The useful unit of the angular displacement in SI unit is:
Question # 6
A rotating body tends to be slower, when its angular acceleration is:
Question # 7
When a body moves with a constant speed in a circle:
Question # 8
Centripetal force performs:
Question # 9
Radian is defined as the angle subtended at the center of a circle by an arc of:
Question # 10
Centripetal acceleration is also called ______ acceleration
Question # 11
One radian is:
Question # 12
One radian is equal to:
Question # 13
When a body is moves along a circular path with constant speed, it has an acceleration, which is always directed:
Question # 14
When angular acceleration is positive, the body rotates:
Question # 15
One radian is:
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 | 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
|
| 2 | The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 0.8 m sec-2comes out to: |
A. 980 N
B. 580 N
C. 1380 N
D. Zero
|
| 3 | Angular velocity is a: |
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these
|
| 4 | When angular acceleration is positive, the body rotates: |
A. Slower
B. Slowest
C. Faster
D. None of these
|
| 5 | 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: |
A. Radius of the circle
B. Twice the radius
C. Thrice the radius
D. None of these
|
| 6 | Direction of motion _________ in circular motion |
A. Changes off and on
B. Changes continously
C. Does not change
D. None of them
|
| 7 | Centripetal acceleration is also called ________ acceleration |
A. Tangential
B. Radial
C. Angular
D. None of these
|
| 8 | One radian is: |
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of them
|
| 9 | Satellites are held in orbits around Earth by its: |
A. Gravitational field
B. Magnetic field
C. Own orbital motion
D. Own spin motion
|
| 10 | When angular acceleration is positive, the body rotates: |
A. Slower
B. Slowest
C. Faster
D. None of these
|
Test Questions
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