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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
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Question # 1
A body moving along the circumference of a circle of radius R completes one revolution. The radius of a covered path to the angle subtended at the centre is:
Question # 2
One radian is equal to:
Question # 3
In rotational motion, analogue of force F us called:
Question # 4
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 # 5
Centripetal acceleration is also called ________ acceleration
Question # 6
When a body is moves along a circular path with constant speed, it has an acceleration, which is always directed:
Question # 7
Centripetal force performs:
Question # 8
If a gymnast sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will
Question # 9
The instantaneous acceleration of a body moving with constant speed in a circle:
Question # 10
The center of mass of a sphere lies at:
Question # 11
Final velocity of a hoop is __________ the final velocity of a disc having same mass and radius on coming down an inclined plane.
Question # 12
Centripetal acceleration is also called ______ acceleration
Question # 13
Angular momentum is a:
Question # 14
One radian is:
Question # 15
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:
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 -
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ECAT Physics Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The instantaneous acceleration of a body moving with constant speed in a circle: |
A. Remains constant
B. Is called centripetal acceleration
C. Tangential acceleration
D. None of these
|
| 2 | Angular momentum is a: |
A. vector quantity
B. Imaginary quantity
C. Complex Quantity
D. Scalar Quantity
|
| 3 | When a body is moves along a circular path with constant speed, it has an acceleration, which is always directed: |
A. Along the tangent
B. Toward the centre
C. Away from the centre
D. None of them
|
| 4 | Centripetal force performs: |
A. Maximum work
B. Negative work
C. Positive work
D. None of these
|
| 5 | A body can have constant velocity when it follows: |
A. A circular path
B. A rectilinear path
C. Trajectory of a projectile
D. None of these
|
| 6 | 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
|
| 7 | Conventionally the angular velocity is directed to 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 the above
|
| 8 | The number of countries who manage the largest satellite system is: |
A. 3
B. 24
C. 126
D. 200
|
| 9 | Direction of angular momentum is determined by: |
A. Right hand rule
B. Head to tail rule
C. Left hand rule
D. None of them
|
| 10 | 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
|
Test Questions
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Ahmed Qureshi
14 Feb 2018wt