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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 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:
Question # 2
When an object moves with a uniform angular velocity, then its instantaneous angular velocity is equal to:
Question # 3
The instantaneous acceleration of a body moving with constant speed in a circle:
Question # 4
Direction of motion _________ in circular motion
Question # 5
Direction of motion ______ in circular motion:
Question # 6
The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 0.8 m sec-2comes out to:
Question # 7
When angular acceleration is positive, the body rotates:
Question # 8
Direction of motion_______ in circular of motion:
Question # 9
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 # 10
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 # 11
The center of mass of a sphere lies at:
Question # 12
A rotating wheel accelerates up to the value of 0.75 rev/sec2after 2 seconds of its start. Its angular velocity becomes:
Question # 13
INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:
Question # 14
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:
Question # 15
In rotational motion, analogue of force F us called:
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 -
M Malaika Abeer 30 - Mar - 2026 05 Min 40 Sec 44/60 -
R Rashid Bhatti 20 - Nov - 2024 02 Min 54 Sec 40/60 -
F Furqan Asif 09 - Mar - 2026 34 Min 50 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 -
Z zeeshan khan 27 - Oct - 2024 12 Min 38 Sec 35/60
ECAT Physics Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | An axis of rotation |
A. Is a straight line
B. Is normal to the plane of rotation
C. Passes through pivot point O
D. All of them
|
| 2 | 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
|
| 3 | The useful unit of the angular displacement in SI unit is: |
A. Degree
B. Revolution
C. Radian
D. Metre
|
| 4 | 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
|
| 5 | When angular acceleration is positive, the body rotates: |
A. Slower
B. Slowest
C. Faster
D. None of these
|
| 6 | 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
|
| 7 | Direction of motion ______ in circular motion: |
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
|
| 8 | The center of mass of a sphere lies at: |
A. The axis of the sphere
B. Circumference of sphere
C. Center of the sphere
D. None of them
|
| 9 | The useful unit of angular replacement in SI unit is: |
A. Degree
B. Revolution
C. Radian
D. Metre
|
| 10 | Angular velocity is a: |
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these
|
Test Questions
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Ahmed Qureshi
14 Feb 2018wt