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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
Conventionally the angular velocity is directed to an angle of:
Question # 2
When a body moves with a constant speed in a circle:
Question # 3
INTELSAT operates at frequencies 4, 6, 11, 14 having unit of
Question # 4
A body can have constant velocity when it follows:
Question # 5
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 # 6
When angular acceleration is positive, the body rotates:
Question # 7
Formula for calculating moment of inertia of the bodies of one pair is same. Tick the answer.
Question # 8
A body moving along the circumference of a circle of radius R completes one revolution. The radius of a covered path to the angle subtended at the centre is:
Question # 9
INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:
Question # 10
Direction of motion _______ in circular motion
Question # 11
When an object moves with a uniform angular velocity, then its instantaneous angular velocity is equal to:
Question # 12
A disc rolls down a hill and its speed at bottom is found to be 11.4 m/sec. Height of the hill is then nearly:
Question # 13
Centripetal force performs:
Question # 14
One radian is
Question # 15
The rear wheels of an automobile are rev/sec which is reduced to 38 rad/sec in 5 seconds 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 -
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ECAT Physics Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | When angular acceleration is positive, the body rotates: |
A. Slower
B. Slowest
C. Faster
D. None of these
|
| 3 | 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 |
A. 0.05 m
B. 0.08 cm
C. 0.8 m
D. 0.008 m
|
| 4 | In case of planets, the necessary acceleration is provided by: |
A. Gravitational force
B. Coulomb force
C. Frictional force
D. None of these
|
| 5 | Angular velocity is a: |
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these
|
| 6 | Centripetal acceleration is also called ______ acceleration |
A. Tangential
B. Radial
C. Angular
D. None of them
|
| 7 | Direction of angular momentum is determined by: |
A. Right hand rule
B. Head to tail rule
C. Left hand rule
D. None of them
|
| 8 | The number of countries who manage the largest satellite system is: |
A. 3
B. 24
C. 126
D. 200
|
| 9 | The useful unit of the angular displacement in SI unit is: |
A. Degree
B. Revolution
C. Radian
D. Metre
|
| 10 | A rotating body tends to be slower, when its angular acceleration is: |
A. Positive
B. Negative
C. Zero
D. Infinity
|
Test Questions