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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
Direction of motion ______ in circular motion:
Question # 2
Moment of linear momentum is called.
Question # 3
When a body is moves along a circular path with constant speed, it has an acceleration, which is always directed:
Question # 4
In rotational motion, analogue of force F us called:
Question # 5
Direction of angular momentum is determined by:
Question # 6
When angular acceleration is positive, the body rotates:
Question # 7
Satellites are held in orbits around Earth by its:
Question # 8
When an object moves with a uniform angular velocity, then its instantaneous angular velocity is equal to:
Question # 9
One radian is equal to:
Question # 10
A stone is tied to the end of a 20 cm along string is whirled in a horizontal circle.
A stone is tied to the end of a 20 cm along string is whirled in a horizontal circle.if centripetal acceleration is 9.8 m/sec2, then its angular velocity in rad/sec is:
Question # 11
The angular speed of a particle moving along a circular path is 5 Pie rad sec-1, Its period of motion is:
Question # 12
Centripetal acceleration is also called ________ acceleration
Question # 13
When a body moves with a constant speed in a circle:
Question # 14
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 # 15
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:
Top Scorers Of Physics ECAT Pre Engineering Chapter 5 Circular Motion MCQ`s Test
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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 -
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 -
R Rashid Bhatti 20 - Nov - 2024 02 Min 54 Sec 40/60 -
M MUHAMMAD MUSA MUEED 10 - Oct - 2025 17 Min 42 Sec 36/60 -
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M Mn Creatives 05 - Dec - 2024 03 Min 16 Sec 35/60 -
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ECAT Physics Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | In case of planets, the necessary acceleration is provided by: |
A. Gravitational force
B. Coulomb force
C. Frictional force
D. None of these
|
| 2 | 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: |
A. 5 rad/sec2
B. -10 rev/sec2
C. -10 rad/sec2
D. -5 rev/sec2
|
| 3 | 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: |
A. 22/7
B. 7
C. 14
D. 21
|
| 4 | A car is turning around a corner at 10 m/sec as it travels along an arc of a circle. If value of centripetal acceleration is 10 m/sec2in this case, find radius of the circular path: |
A. 1 m
B. 5 m
C. 10 m
D. 15 m
|
| 5 | A rotating wheel accelerates up to the value of 0.75 rev/sec2after 2 seconds of its start. Its angular velocity becomes: |
A. 9.42 rad/sec
B. 2.6 rev/sec
C. 1.5 rev/sec
D. Both A and C
|
| 6 | Final velocity of a hoop is __________ the final velocity of a disc having same mass and radius on coming down an inclined plane. |
A. Greater than
B. smaller than
C. Equal to
D. None of these
|
| 7 | Direction of motion_______ in circular of motion: |
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
|
| 8 | The useful unit of angular replacement in SI unit is: |
A. Degree
B. Revolution
C. Radian
D. Metre
|
| 9 | A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be: |
A. 49 rad/sec2
B. 1 rad/sec2
C. 0.16 rev/sec2
D. Both A and C
|
| 10 | 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
|
Test Questions
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Ahmed Qureshi
14 Feb 2018wt