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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
When body moves along a circular path with constant speed, it has an acceleration, which is always directed;
Question # 2
The instantaneous acceleration of a body moving with constant speed in a circle:
Question # 3
A rotating body tends to be slower, when its angular acceleration is:
Question # 4
One radian is equal to:
Question # 5
A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:
Question # 6
Direction of angular momentum is determined by:
Question # 7
A body can have constant velocity when it follows:
Question # 8
A car is moves around a circular track of radius 0.3 m at the rate of 120 rev/min. The speed v of the car is:
Question # 9
If a gymnast sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will
Question # 10
Centripetal acceleration is also called ______ acceleration
Question # 11
A disc rolls down a hill and its speed at bottom is found to be 11.4 m/sec. Height of the hill is then nearly:
Question # 12
When a body moves along a circular path with constant speed, it has an acceleration, which is always directed
Question # 13
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 # 14
Moment of inertia depends upon:
Question # 15
The center of mass of a sphere lies at:
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 -
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 -
U Umer Usman 08 - Mar - 2024 02 Min 00 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 -
K khawar saleemi 27 - Sep - 2024 02 Min 16 Sec 45/60 -
A Ali zain 10 - Mar - 2024 02 Min 26 Sec 45/60 -
A Ahmad Khan 25 - Aug - 2024 08 Min 59 Sec 45/60 -
Z Zia Ullah Chahal 09 - Mar - 2024 01 Min 16 Sec 40/60 -
M M.Faiq 18 - May - 2024 02 Min 11 Sec 40/60
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Centripetal acceleration is also called ______ acceleration |
A. Tangential
B. Radial
C. Angular
D. None of them
|
| 2 | 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
|
| 3 | One radian is equal to: |
A. 30.3°
B. 45.3°
C. 50.3°
D. 57.3°
|
| 4 | A 1000 Kg car travelling with a speed of 90 km/hr turns around a curve of radius 0.1 km. The necessary centripetal force comes out to be: |
A. 8.1 X 107N
B. 625 N
C. 6250 N
D. None of these
|
| 5 | Angular velocity is a: |
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these
|
| 6 | 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
|
| 7 | One radian is equal to: |
A. 30.3°
B. 45.3°
C. 50.3°
D. 57.3°
|
| 8 | Centripetal force performs: |
A. Maximum work
B. Negative work
C. Positive work
D. None of these
|
| 9 | The number of "Earth Stations" which transmit signals to satellites and receive signals fro them are |
A. 3
B. 24
C. 126
D. 200
|
| 10 | A disc rolls down a hill and its speed at bottom is found to be 11.4 m/sec. Height of the hill is then nearly: |
A. 10 m
B. 12 m
C. 13 m
D. 15 m
|
Test Questions
