| 1 |
If a body revolves under centripetal force its angular acceleration is |
- A. Non zero
- B. Variable
- C. Increasing
- D. Zero
|
| 2 |
The relation between the speed and hoop can be written as |
|
| 3 |
Angular velocity determines, How fast or, How slow a body is |
- A. Accelerating
- B. Vibrating
- C. Rotating
- D. Oscillating
|
| 4 |
the height of the geostationary satellite above the equator is. |
- A. 35000 km
- B. 36000 km
- C. 34000 km
- D. 33000 km
|
| 5 |
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
|
| 6 |
Direction of angular acceleration is always along |
- A. x-axis
- B. y -axis
- C. z-axis
- D. The axis of rotation
|
| 7 |
2 radian = ____ |
- A. 2 m
- B. 4 m
- C. 57.3 m
- D. 114.6 m
|
| 8 |
Which one of the following force cannot do any work on the particle on which it acts. |
- A. Fractional force
- B. Gravitational force
- C. Electrostatic force
- D. Centripetal force
|
| 9 |
The value of of 'g' at the centre of the earth is |
- A. Infinite
- B. 2 g
- C. 3 g
- D. zero
|
| 10 |
Which is unimportant in describing the satellites orbit. |
- A. Distance of satellite from earth's center
- B. Gravitational constant G
- C. Mass of satellite
- D. Mass of earth
|