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MCQ's Test For Physics ECAT Pre Engineering Chapter 5 Circular Motion
Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 5 Circular Motion
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Total Questions15
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Time Allowed20
Physics ECAT Pre Engineering Chapter 5 Circular Motion
00:00
Question # 1
Formula for calculating moment of inertia of the bodies of one pair is same. Tick the answer.
Question # 2
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 # 3
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:
Question # 4
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 # 5
Einstein's theory about gravity if better than Newton's because it gave explanation of:
Question # 6
Which of the following pairs does not have identical dimensions?
Question # 7
The instantaneous acceleration of a body moving with constant speed in a circle:
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
In rotational motion, analogue of force F us called:
Question # 10
A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:
Question # 11
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 # 12
______ plays the same role during angular motion as played by the mass in linear motion
Question # 13
When an object moves with a uniform angular velocity, then its instantaneous angular velocity is equal to:
Question # 14
The rear wheels of an automobile are rotating with an angular velocity of 14 rev/sec which is reduced to 38 rad/sec in 5 second when brakes are applied. Its angular acceleration is:
Question # 15
In case of planets, the necessary acceleration is provided by:
Top Scorers Of Physics ECAT Pre Engineering Chapter 5 Circular Motion MCQ`s Test
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D Deuspeu 24 - Sep - 2024 00 Min 49 Sec 60/60 -
M M Umer Arain 06 - Nov - 2024 00 Min 15 Sec 55/60 -
M Muhammad Rameez 15 - Sep - 2024 02 Min 50 Sec 55/60 -
K Kashaf Naqvi 12 - Mar - 2026 01 Min 44 Sec 52/60 -
A Abdullah Zubair 18 - Dec - 2024 06 Min 29 Sec 50/60 -
A Aarij 09 - Dec - 2024 01 Min 36 Sec 45/60 -
H Hanan Cheema 31 - Dec - 2024 03 Min 50 Sec 45/60 -
E Eraj Abeer 06 - Dec - 2024 16 Min 49 Sec 45/60 -
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M Mn Creatives 05 - Dec - 2024 03 Min 16 Sec 35/60 -
Z zeeshan khan 27 - Oct - 2024 12 Min 38 Sec 35/60
ECAT Physics Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Moment of linear momentum is called. |
A. Moment arm
B. Moment of inertia
C. Inertia
D. Angular momentum
|
| 2 | 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: |
A. 38 m/sec
B. 3.8 m/sec
C. 0.6 m/sec
D. None of these
|
| 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 | One radian is equal to: |
A. 30.3°
B. 45.3°
C. 50.3°
D. 57.3°
|
| 6 | 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
|
| 7 | One radian is: |
A. Greater than one degree
B. Less than one degree
C. Equal to degree
D. none of these
|
| 8 | 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
|
| 9 | Direction of motion _______ in circular motion |
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
|
| 10 | Direction of motion _________ in circular motion |
A. Changes off and on
B. Changes continously
C. Does not change
D. None of them
|
Test Questions
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Ahmed Qureshi
14 Feb 2018wt