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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
A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:
Question # 2
Conventionally the angular velocity is directed to an angle of:
Question # 3
Einstein's theory about gravity if better than Newton's because it gave explanation of:
Question # 4
One radian is:
Question # 5
When body moves along a circular path with constant speed, it has an acceleration, which is always directed;
Question # 6
The useful unit of angular replacement in SI unit is:
Question # 7
When a body moves with a constant speed in a circle:
Question # 8
A body can have constant velocity when it follows:
Question # 9
Moment of inertia depends upon:
Question # 10
Centripetal acceleration is also called ________ acceleration
Question # 11
Angular velocity is a:
Question # 12
Formula for calculating moment of inertia of the bodies of one pair is same. Tick the answer.
Question # 13
Centripetal acceleration is also called ______ acceleration
Question # 14
One radian is equal to:
Question # 15
Centripetal acceleration is also called _______ acceleration:
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 -
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 -
Z Zainab Tahir 03 - Nov - 2024 02 Min 45 Sec 35/60 -
M Mn Creatives 05 - Dec - 2024 03 Min 16 Sec 35/60 -
M Maryam Hamda 05 - Jun - 2024 06 Min 27 Sec 35/60 -
Z zeeshan khan 27 - Oct - 2024 12 Min 38 Sec 35/60 -
H Hp_Probook_4540s Fauji 17 - Nov - 2024 18 Min 21 Sec 35/60 -
S Samia 786 08 - Dec - 2025 04 Min 57 Sec 32/60
ECAT Physics Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | Direction of motion _______ in circular motion |
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
|
| 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: |
A. 8.1 X 107N
B. 625 N
C. 6250 N
D. None of these
|
| 4 | 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
|
| 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 | A point on the rim of a wheel moves 0.2 m where the wheel turns through an angle is 14.3 degrees. The radius of the wheel is: |
A. 0.05 m
B. 0.08 m
C. 0.8 m
D. 0.008 m
|
| 7 | In case of planets, the necessary acceleration is provided by: |
A. Gravitational force
B. Coulomb force
C. Frictional force
D. None of these
|
| 8 | Satellites are held in orbits around Earth by its: |
A. Gravitational field
B. Magnetic field
C. Own orbital motion
D. Own spin motion
|
| 9 | 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
|
| 10 | A toy car 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
|
Test Questions
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Ahmed Qureshi
14 Feb 2018wt