| 1 |
The relation between the speed and hoop can be written as |
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| 2 |
An elevator is moving up with an acceleration equal to 'g' An apparent weight of the body in an elevator is. |
- A. Zero
- B. Equal to real weight
- C. 2 mg
- D. 3 mg
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| 3 |
The diver spin faster when moment of inertia becomes. |
- A. smaller
- B. Greater
- C. Constant
- D. Equal
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| 4 |
Angular displacement is |
- A. Scalar quantity
- B. Vector quantity
- C. Basic quantity
- D. None of these
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| 5 |
If a body is moving in the counter clockwise direction the direction of angular velocity will be |
- A. Toward the centre
- B. Away from the centre
- C. along the linear velocity
- D. Perpendicular to both radius and linear velocity
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| 6 |
Moment of inertia is measure din |
- A. Kg m2
- B. Kg m-2
- C. Rad s-1
- D. Joule second
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| 7 |
Which quantity of the following is dimensionless. |
- A. Angular velocity
- B. Centripetal force
- C. Angular acceleration
- D. Angular displacement
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| 8 |
If a body revolves under centripetal force its angular acceleration is |
- A. Non zero
- B. Variable
- C. Increasing
- D. Zero
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| 9 |
When a body moves in circular motion, the angle between linear and angular velocity is. |
- A. 180<sup>o</sup>
- B. 90<sup>o</sup>
- C. 60<sup>o</sup>
- D. 75.3<sup>o</sup>
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| 10 |
The centripetal force is always directed |
- A. Away from the centre along the radius
- B. Along the direction of motion
- C. Opposite to the motion of the body
- D. Towards the centre along the radius
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