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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
Direction of motion ______ in circular motion:
Question # 2
Centripetal acceleration is also called _______ acceleration:
Question # 3
When a body moves with a constant speed in a circle:
Question # 4
Einstein's theory about gravity if better than Newton's because it gave explanation of:
Question # 5
The useful unit of the angular displacement in SI unit is:
Question # 6
When angular acceleration is positive, the body rotates:
Question # 7
Direction of motion _________ in circular motion
Question # 8
Conventionally the angular velocity is directed to an angle of:
Question # 9
Centripetal acceleration is also called ______ acceleration
Question # 10
Angular velocity is a:
Question # 11
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 # 12
Moment of inertia depends upon:
Question # 13
A point on the rim of a wheel moves 0.2 m when the wheel turns through an angle of 14.3 degrees. The radius of the wheel is
Question # 14
Direction of angular momentum is determined by:
Question # 15
When an object moves with a uniform angular velocity, then its instantaneous angular velocity is equal to:
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 | Formula for calculating moment of inertia of the bodies of one pair is same. Tick the answer. |
A. Disc, sphere
B. sphere, hoop
C. Thin rod, hoop
D. Hoop,disc
|
| 2 | Which of the following pairs does not have identical dimensions? |
A. Torque and energy
B. Energy and work
C. Momentum and impulse
D. Mass and moment of inertia
|
| 3 | Radian is defined as the angle subtended at the center of a circle by an arc of: |
A. Length equal to its diameter
B. Length equal to its radius
C. Any length
D. None of these
|
| 4 | Centripetal acceleration is also called ________ acceleration |
A. Tangential
B. Radial
C. Angular
D. None of these
|
| 5 | 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
|
| 6 | 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
|
| 7 | Angular momentum is a: |
A. vector quantity
B. Imaginary quantity
C. Complex Quantity
D. Scalar Quantity
|
| 8 | The number of "Earth Stations" which transmit signals to satellites and receive signals fro them are |
A. 3
B. 24
C. 126
D. 200
|
| 9 | 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
|
| 10 | Direction of angular momentum is determined by: |
A. Right hand rule
B. Head to tail rule
C. Left hand rule
D. None of them
|
Test Questions
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