| 1 |
Centripetal force perform |
- A. Maximum work
- B. Minimum work
- C. Negative work
- D. No work
|
| 2 |
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
|
| 3 |
The diver spin faster when moment of inertia becomes. |
- A. smaller
- B. Greater
- C. Constant
- D. Equal
|
| 4 |
Height of geo stationary orbit of the satellite above the earth is. |
- A. 300 km
- B. 250 km
- C. 400 km
- D. None of these
|
| 5 |
The weight of the body at the centre of earth is |
- A. Maximum
- B. Minimum
- C. Zero
- D. Infinite
|
| 6 |
How many orbiting satellites from the Global positing system. |
|
| 7 |
|
|
| 8 |
The angular acceleration a = |
|
| 9 |
The moment of inertia is analogue to |
- A. Mass
- B. Weight
- C. Torque
- D. Force
|
| 10 |
A man of 1 kg is freefalling. The force of gravity is |
- A. 1 N
- B. 9.8 N
- C. 0.5 N
- D. Zero
|