| 1 |
If velocity time graph is parallel to time axis, then acceleration of moving body will be. |
- A. Maximum
- B. Positive
- C. Zero
- D. Negative
|
| 2 |
A frame of reference stationed at the earth is an |
- A. Inertial frame
- B. None internal frame
- C. Accelerated frame
- D. Laboratory frame
|
| 3 |
In the absence of air resistance the acceleration of a body will be |
- A. Uniform
- B. Variable
- C. Instantaneous
- D. None of these
|
| 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 |
In the absence of external force, the change in momentum is. |
- A. Zero
- B. Constant
- C. Decreasing
- D. Increasing
|
| 6 |
The horizontal range of a projectile of 30<sup>o</sup>with horizontal is same at an angle. |
- A. 40<sup>o</sup>
- B. 45<sup>o</sup>
- C. 90<sup>o</sup>
- D. 60<sup>o</sup>
|
| 7 |
The time rate of change of momentum equals |
- A. Weight
- B. Applied force
- C. Impulse
- D. Mass
|
| 8 |
The velocity of a free falling body just before Hattin the ground is 9.8 ms-1, the height through which is fall be |
- A. 98 m
- B. 19.6 m
- C. 4.9 m
- D. 9.8 m
|
| 9 |
The mass of an object is quantitative measure 0 its |
- A. Momentum
- B. Acceleration
- C. Inertia
- D. Energy
|
| 10 |
When the car moves with an increasing acceleration then its velocity time graph is always |
- A. Constant
- B. Variable
- C. A straight line
- D. A curve
|