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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
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 # 2
Angular momentum is a:
Question # 3
When angular acceleration is positive, the body rotates:
Question # 4
In case of planets, the necessary acceleration is provided by:
Question # 5
The useful unit of angular replacement in SI unit is:
Question # 6
______ plays the same role during angular motion as played by the mass in linear motion
Question # 7
The number of "Earth stations" which transmit signals to satellites and receive signals from them are:
Question # 8
The center of mass of a sphere lies at:
Question # 9
Centripetal force performs:
Question # 10
Centripetal acceleration is also called ______ acceleration:
Question # 11
Conventionally the angular velocity is directed at an angle of
Question # 12
When a body moves with a constant speed in a circle:
Question # 13
One radian is:
Question # 14
Direction of motion_______ in circular of motion:
Question # 15
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:
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 -
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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 | 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
|
| 2 | Angular velocity is a: |
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these
|
| 3 | 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
|
| 4 | 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
|
| 5 | One radian is equal to: |
A. 30.3°
B. 45.3°
C. 50.3°
D. 57.3°
|
| 6 | 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
|
| 7 | One radian is: |
A. Greater than one degree
B. Less than one degree
C. Equal to degree
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 | 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 | The number of "Earth stations" which transmit signals to satellites and receive signals from them are: |
A. 3
B. 24
C. 126
D. 200
|
Test Questions
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Ahmed Qureshi
14 Feb 2018wt