| 1 |
Orbital velocity v<sub>o</sub> = |
- A. √gR
- B. √RG
- C. gR
- D. gR<sup>2</sup>
|
| 2 |
Gravitational constant depends on: |
- A. Medium
- B. Force
- C. Weight
- D. It does not depend son anything
|
| 3 |
A body is placed at height 'h' above the surface of the Earth.The value of 'g' is given by |
- A. gh = Me/(R + h)2
- B. gh = GMe/(R +h)2
- C. gh = GMe/R2h
|
| 4 |
Moon complete it's one revolution around earth is days: |
- A. 22
- B. 23
- C. 27.3
- D. 25
|
| 5 |
Newton's law of gravitation resembles with |
- A. 1st law of motion
- B. 2nd law of motion
- C. 3rd law of motion
- D. Law of gravitation
|
| 6 |
The value of g increases with the : |
- A. Increase in the mass of the body
- B. Increase in altitude
- C. Decrease in altitude
- D. None of the above
|
| 7 |
GPS consists of __________ earth satellites. |
|
| 8 |
The value of g on moon's surface is 1.6 ms-2. What will be the weight of a 100 kg body on the surface of the moon? |
- A. 100 N
- B. 160 N
- C. 1000 N
- D. 1600 N
|
| 9 |
The weight of a body is 100 N its weight in deep space is : |
- A. 100 N
- B. 50 N
- C. 25 N
- D. 0 N
|
| 10 |
The velocity of geostationary satellites with respect to Earth is |
- A. Vo
- B. 2Vo
- C. Zero
- D. 1/2 Vo
|
