| 1 |
The value of 'g' on the surface of Mars: |
- A. 3.73 ms<sup>-2</sup>
- B. 1.62 ms<sup>-2</sup>
- C. Zero
- D. Constant
|
| 2 |
the value of gravitational field strength near the earth is ________ Nkg<sup>-1</sup>. |
- A. 1.62
- B. 100
- C. 10
- D. 160
|
| 3 |
The value of g at a height one Earth's radius above the surface of the <div> Earth is:</div> |
- A. 2 g
- B. 1/2 g
- C. 1/3 g1
- D. 1/4 g
|
| 4 |
The first man who gave the idea of gravity: |
- A. Hero
- B. Einstein
- C. Newton
- D. Faraday
|
| 5 |
Earth's gravitational force of attraction vanishes at |
- A. 6400 km
- B. Infinity
- C. 42300 km
- D. 1000 km
|
| 6 |
GPS system consists of earth satellites: |
|
| 7 |
S.I unit of gravitational field strength is: |
- A. Nkg
- B. Nkg<sup>-1</sup>
- C. Nkg<sup>-2</sup>
- D. Nkg<sup>-3</sup>
|
| 8 |
The Earth attracts a body with a force equal to its: |
- A. Velocity
- B. Gravity
- C. Weight
- D. Mass
|
| 9 |
The orbital speed of a low orbit satellite is: |
- A. Zeri
- B. 8 ms<sup>-1</sup>
- C. 800 ms<sup>-1</sup>
- D. 8000 ms<sup>-1</sup>
|
| 10 |
Everybody in the universe attracts other body with a force which is |
- A. Directly proportional to the product of their masses
- B. Inversely proportional to the product of their masses
- C. Directly proportional to the distance between them
- D. Directly proportional to the square of the distance between them
|
