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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
One radian is equal to:
Question # 2
A stone tied to the end of a 20 cm long string is whirled in a horizontal circle. If centripetal acceleration is 9.8 m/sec2, then its angular velocity is rad/sec is:
Question # 3
Final velocity of a hoop is __________ the final velocity of a disc having same mass and radius on coming down an inclined plane.
Question # 4
In rotational motion, analogue of force F us called:
Question # 5
The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 0.8 m sec-2comes out to:
Question # 6
Direction of motion ______ in circular motion:
Question # 7
Satellites are held in orbits around Earth by its:
Question # 8
Centripetal acceleration is also called ______ acceleration
Question # 9
Direction of motion _________ in circular motion
Question # 10
The number of "Earth stations" which transmit signals to satellites and receive signals from them are:
Question # 11
When a body moves with a constant speed in a circle:
Question # 12
Angular velocity is a:
Question # 13
When an object moves with a uniform angular velocity, then its instantaneous angular velocity is equal to:
Question # 14
The center of mass of a sphere lies at:
Question # 15
Centripetal force performs:
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 | Centripetal acceleration is also called ______ acceleration: |
A. Tangential
B. Radial
C. Angular
D. None of them
|
| 2 | A rotating body tends to be slower, when its angular acceleration is: |
A. Positive
B. Negative
C. Zero
D. Infinity
|
| 3 | 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
|
| 4 | When angular acceleration is positive, the body rotates: |
A. Slower
B. Slowest
C. Faster
D. None of these
|
| 5 | The number of countries who manage the largest satellite system is: |
A. 3
B. 24
C. 126
D. 200
|
| 6 | Direction of angular momentum is determined by: |
A. Right hand rule
B. Head to tail rule
C. Left hand rule
D. None of them
|
| 7 | 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
|
| 8 | Circular motion is an example of motion in: |
A. One dimension
B. Two dimensions
C. Three dimensions
D. None of these
|
| 9 | When a body moves along a circular path with constant speed, it has an acceleration, which is always directed |
A. Along the tangent
B. Towards the centre
C. Away from the centre
D. None of them
|
| 10 | Moment of inertia depends upon: |
A. Mass
B. Selection of axis of rotation
C. Both of them
D. None of these
|
Test Questions
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