| 1 |
When the body moves with constant acceleration the velocity time graph is |
- A. Parabola
- B. Hyperbola
- C. Straight line
- D. Curve
|
| 2 |
Unit of impulse is equivalent to that of. |
- A. Force
- B. Momentum
- C. Acceleration
- D. Velocity
|
| 3 |
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
|
| 4 |
No body begins to move or comes to rest of itself was given by |
- A. Newton
- B. Pascal
- C. Bernoulli
- D. Bu Ali Sina
|
| 5 |
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
|
| 6 |
Motion of projective is |
- A. One dimensional
- B. Two dimensional
- C. Three dimensional
- D. Four dimensional
|
| 7 |
Slope of velocity time graph describes a physical quantity called. |
- A. Displacement
- B. Average velocity
- C. Average acceleration
- D. Momentum
|
| 8 |
A force of 10 N acts on a body of mass 5 kg in one second. The change in its momentum will be. |
- A. 10 kgms-1
- B. 50 kg ms-1
- C. 2 kg ms-1
- D. 20 kg ms-1
|
| 9 |
A body covers a distance of 10 m in 1 sec with a constant velocity of 10 ms-1 , Acceleration produced by the body is. |
- A. 0 ms-1
- B. 2 ms-2
- C. 5 ms-2
- D. 10 ms-2
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| 10 |
The action and reaction never act on |
- A. Same body
- B. Two bodies
- C. many bodies
- D. All of these
|