| 1 |
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
|
| 2 |
In case of planets centripetal force is provided by |
- A. Coulomb's force
- B. Electrostatic force
- C. Gravitational force
- D. Magnetic force
|
| 3 |
2 radian = ____ |
- A. 2 m
- B. 4 m
- C. 57.3 m
- D. 114.6 m
|
| 4 |
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
|
| 5 |
The relation between linear and angular velocity is |
|
| 6 |
Angular velocity determines, How fast or, How slow a body is |
- A. Accelerating
- B. Vibrating
- C. Rotating
- D. Oscillating
|
| 7 |
The direction of angular acceleration is |
- A. Along the axis of rotation
- B. Perpendicular to the axis of rotation
- C. Opposite to axis of rotation
- D. None of these
|
| 8 |
All point of the rigid body rotating about a fixed axis do not have same. |
- A. Angular acceleration
- B. Angular speed
- C. speed
- D. Angular displacement
|
| 9 |
The SI unit of angular displacement is. |
- A. Degree
- B. Revolution
- C. Radian
- D. Rotation
|
| 10 |
Direction of angular acceleration is always along |
- A. x-axis
- B. y -axis
- C. z-axis
- D. The axis of rotation
|