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MCQ's Test For ECAT Physics Chapter 5 Circular Motion
Try The MCQ's Test For ECAT Physics Chapter 5 Circular Motion
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 5 Circular Motion
00:00
Question # 1
Centripetal acceleration is also called ________ acceleration
Question # 2
Conventionally the angular velocity is directed to an angle of:
Question # 3
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 # 4
One radian is equal to:
Question # 5
Direction of motion_______ in circular of motion:
Question # 6
If a gymnast sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will
Question # 7
Which one is related to angular motion:
Question # 8
Centripetal acceleration is also called _______ acceleration:
Question # 9
Moment of inertia depends upon:
Question # 10
A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:
Question # 11
Conventional the angular Velocity is Directed at an angle of:
Question # 12
INTELSAT operates at frequencies 4, 6, 11, 14 having unit of
Question # 13
An axis of rotation
Question # 14
The center of mass of a sphere lies at:
Question # 15
Formula for calculating moment of inertia of the bodies of one pair is same. Tick the answer.
Top Scorers Of ECAT Physics Chapter 5 Circular Motion MCQ`s Test
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A ali moid 21 - Jul - 2024 00 Min 36 Sec 60/60 -
D dark goblin 10 - Jul - 2024 00 Min 40 Sec 60/60 -
M Manoush Fatima 29 - May - 2024 03 Min 49 Sec 60/60 -
Z Zain hassan Zain 22 - May - 2024 01 Min 55 Sec 55/60 -
U Umer Usman 08 - Mar - 2024 02 Min 00 Sec 55/60 -
A Abdullah Baloch 01 - Aug - 2024 03 Min 09 Sec 55/60 -
M Mian House 30 - May - 2024 05 Min 25 Sec 55/60 -
M Muhammad Hashim 31 - May - 2024 02 Min 07 Sec 50/60 -
T Tasser Haider 31 - May - 2024 02 Min 22 Sec 50/60 -
Q Qasim Rashid 15 - Apr - 2024 07 Min 29 Sec 50/60 -
K khawar saleemi 27 - Sep - 2024 02 Min 16 Sec 45/60 -
A Ali zain 10 - Mar - 2024 02 Min 26 Sec 45/60 -
A Ahmad Khan 25 - Aug - 2024 08 Min 59 Sec 45/60 -
Z Zia Ullah Chahal 09 - Mar - 2024 01 Min 16 Sec 40/60 -
M M.Faiq 18 - May - 2024 02 Min 11 Sec 40/60
ECAT Physics Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Direction of motion _______ in circular motion |
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
|
| 2 | In case of planets, the necessary acceleration is provided by: |
A. Gravitational force
B. Coulomb force
C. Frictional force
D. None of these
|
| 3 | If a gymnast sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will |
A. Increase
B. Decrease
C. Remain constant
D. None of these
|
| 4 | When a body moves with a constant speed in a circle: |
A. No work is done on it
B. No acceleration is produced in the body
C. Velocity remains constant
D. None of these
|
| 5 | 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
|
| 6 | The useful unit of the angular displacement in SI unit is: |
A. Degree
B. Revolution
C. Radian
D. Metre
|
| 7 | When angular acceleration is positive, the body rotates: |
A. Slower
B. Slowest
C. Faster
D. None of these
|
| 8 | The number of countries who manage the largest satellite system is: |
A. 3
B. 24
C. 126
D. 200
|
| 9 | Moment of inertia depends upon: |
A. Mass
B. Selection of axis of rotation
C. Both of them
D. None of these
|
| 10 | Centripetal acceleration is also called ______ acceleration |
A. Tangential
B. Radial
C. Angular
D. None of them
|
Test Questions
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