| 1 |
The horizontal component of velocity of projectile |
- A. Increases
- B. Decreases
- C. Remain same
- D. Decreases and then increases
|
| 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 |
The rate of change of momentum is equal to |
- A. Impulse
- B. Torque
- C. Velocity
- D. Force
|
| 4 |
For a rocket , the change in momentum per second of the ejecting gases is equal. |
- A. Acceleration of the rocket
- B. Momentum of rocket
- C. Velocity of rocket
- D. Thrust acting on rocket
|
| 5 |
The path followed by a projectile in known as its |
- A. Range
- B. Trajectory
- C. Cycle
- D. Height
|
| 6 |
If velocity time graph is parallel to time axis, then acceleration of moving body will be. |
- A. Maximum
- B. Positive
- C. Zero
- D. Negative
|
| 7 |
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
|
| 8 |
When average velocity becomes equal to instantaneous than body is called moving with. |
- A. Instantaneous acceleration
- B. Constant acceleration
- C. Constant velocity
- D. Variable velocity
|
| 9 |
The shortest distance between two points is called |
- A. Distance
- B. Amplitude
- C. Displacement
- D. Is a number
|
| 10 |
The maximum range of projectile is 100 km, Take 9=10 ms-2, the initial velocity of the projectile will be. |
- A. 1000 kms-1
- B. 1 kms-1
- C. 10 kms-1
- D. 100 kms-1
|