| 1 |
The direction of angular velocity is determined. |
- A. Left hands rule
- B. Head to tail rule
- C. Right hand rule
- D. General rule
|
| 2 |
The dimensions of angular velocity are |
- A. [LT-1]
- B. [LT-2]
- C. [T-1]
- D. [L-1T-1]
|
| 3 |
The time rate of change of angular displacements called. |
- A. Linear velocity
- B. Linear speed
- C. Angular velocity
- D. Angular speed
|
| 4 |
Which one of the following is into directed along the axis of rotation |
- A. Angular acceleration
- B. Angular momentum
- C. Centripetal acceleration
- D. Angular displacement
|
| 5 |
The work done by centripetal force is |
- A. (-)ve
- B. (+)ve
- C. Maximum
- D. Zero
|
| 6 |
The weight of the body at the centre of earth is |
- A. Maximum
- B. Minimum
- C. Zero
- D. Infinite
|
| 7 |
The value of angular momentum is maximum when 0 is |
- A. 90<sup>o</sup>
- B. 60<sup>o</sup>
- C. 75<sup>o</sup>
- D. 45<sup>o</sup>
|
| 8 |
When a body is moving along a circular path, then such a motion is called |
- A. Vibratory motion
- B. Rotatory motion
- C. Linear motion
- D. None of these
|
| 9 |
The SI unit of angular displacement is. |
- A. Degree
- B. Revolution
- C. Radian
- D. Rotation
|
| 10 |
When a body is whirled in a horizontal circle by means of string, the centripetal force is supplied by |
- A. Mass of body
- B. Velocity of a body
- C. Tension in the string
- D. Centripetal acceleration
|