| 1 |
A 60 kg man in an elevator is moving upward with an acceleration of 9.8 ms-2. The apparent weight of the man. |
- A. Increase
- B. Decreases
- C. Remain constant
- D. Becomes zero
|
| 2 |
The rate of change of angular velocity is called |
- A. Angular velocity
- B. Angular acceleration
- C. Angular displacement
- D. Angular speed
|
| 3 |
If a body revolves under centripetal force its angular acceleration is |
- A. Non zero
- B. Variable
- C. Increasing
- D. Zero
|
| 4 |
The equations of angular motion hold only in case when the axis of rotation is |
- A. Moving
- B. Fixed
- C. Both a and b
- D. None of these
|
| 5 |
The SI unit of angular momentum is |
- A. J.S-2
- B. J.S-1
- C. J.S
- D. J.m
|
| 6 |
100 radians are equal to. |
- A. 57.3<sup>o</sup>
- B. 75.3<sup>o</sup>
- C. 573<sup>o</sup>
- D. 5730<sup>o</sup>
|
| 7 |
The angular acceleration a = |
|
| 8 |
Angular acceleration is produced by |
- A. Power
- B. Torque
- C. Pressure
- D. Force
|
| 9 |
A body rotating with angular velocity of 2 radian/s and linear velocity is also 2 ms-1, then radius of circle is. |
- A. 1 m
- B. 0.5 m
- C. 4 m
- D. 2 m
|
| 10 |
The direction of angular velocity is determined. |
- A. Left hands rule
- B. Head to tail rule
- C. Right hand rule
- D. General rule
|