| 1 |
The SI unit of angular displacement is. |
- A. Degree
- B. Revolution
- C. Radian
- D. Rotation
|
| 2 |
The diver spin faster when moment of inertia becomes. |
- A. smaller
- B. Greater
- C. Constant
- D. Equal
|
| 3 |
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>
|
| 4 |
2 radian = ____ |
- A. 2 m
- B. 4 m
- C. 57.3 m
- D. 114.6 m
|
| 5 |
If the are of a circle equals its radius, then the angle subtended at the center will be |
- A. 1 degree
- B. One rotation
- C. One radian
- D. Half rotation
|
| 6 |
Pi radian is equal to. |
- A. 0<sup>o</sup>
- B. 90<sup>o</sup>
- C. 180<sup>o</sup>
- D. 57.3<sup>o</sup>
|
| 7 |
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
|
| 8 |
A body starting from rest attains angular acceleration of 5 rad s-2 in 2 second final angular velocity will be. |
- A. 10 rad s-1
- B. 7 rad s-1
- C. 3 rad s-1
- D. 2 rad s-1
|
| 9 |
The weight of the body at the centre of earth is |
- A. Maximum
- B. Minimum
- C. Zero
- D. Infinite
|
| 10 |
A communication satellite is used ot reflect the signal of. |
- A. Microwaves
- B. Radio waves
- C. y rays
- D. x -rays
|
