| 1 |
Direction of angular acceleration is always along |
- A. x-axis
- B. y -axis
- C. z-axis
- D. The axis of rotation
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| 2 |
One revolution is equal to. |
- A. 90<sup>o</sup>
- B. 180<sup>o</sup>
- C. 360<sup>o</sup>
- D. 270<sup>o</sup>
|
| 3 |
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>
|
| 4 |
The angular acceleration a = |
|
| 5 |
The rate of change of angular velocity is called |
- A. Angular velocity
- B. Angular acceleration
- C. Angular displacement
- D. Angular speed
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| 6 |
Angular acceleration is produced by |
- A. Power
- B. Torque
- C. Pressure
- D. Force
|
| 7 |
Centripetal force perform |
- A. Maximum work
- B. Minimum work
- C. Negative work
- D. No work
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| 8 |
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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| 9 |
The maximum velocity necessary to put a satellite into orbit is |
- A. 7.1 kms-1
- B. 7.3 kms-1
- C. 7.9 kms-1
- D. 8,9 kms-1
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| 10 |
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
|