| 1 |
the acceleration along x -axis direction in case of projectile is. |
- A. Zero
- B. Equal to gravity
- C. Maximum
- D. Constant
|
| 2 |
A typical rocket consumes fuel about |
- A. 40000 Kgs-1
- B. 30000 Kgs-1
- C. 20000 Kg s-1
- D. 10000 Kgs-1
|
| 3 |
Food rich in proteins is: |
- A. potato
- B. grapes
- C. vegetables
- D. bread
|
| 4 |
When speed of a body is doubled then its |
- A. K.E. is doubled
- B. P.E. is doubled
- C. Acceleration of doubled
- D. Momentum is doubled
|
| 5 |
when a ball is throng straight up, the acceleration at its highest point is. |
- A. Upward
- B. Down ward
- C. Zero
- D. Horizontal
|
| 6 |
A mass of 1 kg is freely falling. The force of gravity is. |
- A. 1 N
- B. 9.8 N
- C. 0.5 N
- D. Zero
|
| 7 |
Before the launch of a rocket the mass of fuel of the rocket is approximately consists of. |
- A. 60%
- B. 50%
- C. 80%
- D. 100%
|
| 8 |
A paratooper moves downward with |
- A. Zero acceleration
- B. Constant acceleration
- C. Positive acceleration
- D. Negative acceleration
|
| 9 |
A man of 5000 kg moves with an acceralation of 1 ms-2 force acting on it is. |
- A. 5 N
- B. 500 N
- C. 50 N
- D. 5000 N
|
| 10 |
A bullet shot straight up, return to its starting point in 10 sec. Its initial speed was |
- A. 9.8 ms-1
- B. 24.5 ms-1
- C. 49 ms-1
- D. 98 ms-1
|