| 1 |
In the absence of air resistance the acceleration of a body will be |
- A. Uniform
- B. Variable
- C. Instantaneous
- D. None of these
|
| 2 |
If the slope of a velocity time graph gradually decreases than body is said to be moving with |
- A. Positive acceleration
- B. Negative acceleration
- C. Uniform velocity
- D. None
|
| 3 |
The horizontal component of velocity of projectile |
- A. Increases
- B. Decreases
- C. Remain same
- D. Decreases and then increases
|
| 4 |
The shortest distance between two points is called |
- A. Distance
- B. Amplitude
- C. Displacement
- D. Is a number
|
| 5 |
In the absence of external force, the change in momentum is. |
- A. Zero
- B. Constant
- C. Decreasing
- D. Increasing
|
| 6 |
A collision in which K.E. of the system is not conserved is |
- A. Elastic collision
- B. Inelastic collision
- C. 3rd low of motion
- D. None of these
|
| 7 |
The area between velocity time graph and the time axis is numerically equal to. |
- A. ?Speed of object
- B. Distance covered by the object
- C. Average velocity of the object
- D. Acceleration of the object.
|
| 8 |
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
|
| 9 |
The slope of velocity time graph shows |
- A. Total distance covered
- B. Average acceleration
- C. Instantaneous acceleration
- D. Torque
|
| 10 |
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
|
