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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
Final velocity of a hoop is __________ the final velocity of a disc having same mass and radius on coming down an inclined plane.
Question # 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:
Question # 3
INTELSAT operates at frequencies 4, 6, 11, 14 having unit of
Question # 4
Centripetal acceleration is also called ________ acceleration
Question # 5
Moment of inertia depends upon:
Question # 6
The useful unit of angular replacement in SI unit is:
Question # 7
Angular velocity is a:
Question # 8
One radian is:
Question # 9
Centripetal acceleration is also called _______ acceleration:
Question # 10
Satellites are held in orbits around Earth by its:
Question # 11
An axis of rotation
Question # 12
Direction of angular momentum is determined by:
Question # 13
One radian is equal to:
Question # 14
When a body moves with a constant speed in a circle:
Question # 15
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:
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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S Samia 786 08 - Dec - 2025 04 Min 57 Sec 32/60
ECAT Physics Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 9.8 m sec-2comes out to be |
A. 980 N
B. 580 N
C. 1380 N
D. Zero
|
| 2 | Einstein's theory about gravity if better than Newton's because it gave explanation of: |
A. Inverse square law
B. Bending of light
C. Both A and B
D. None of above
|
| 3 | Which one is related to angular motion: |
A. Moment of a force
B. Moment of inertia
C. Moment of momentum
D. None of these
|
| 4 | Angular velocity is a: |
A. Scalar quantity
B. Vector quantity
C. Complex quantity
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 | In rotational motion, analogue of force F us called: |
A. Couple
B. Torque
C. Mass
D. Moment of intertia
|
| 7 | 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
|
| 8 | A rotating body tends to be slower, when its angular acceleration is: |
A. Positive
B. Negative
C. Zero
D. Infinity
|
| 9 | 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
|
| 10 | 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
|
Test Questions