| 1 |
When velocity time graph is a straight line parallel to time axis then |
- A. Velocity is zero
- B. Acceleration is constant
- C. Acceleration is zero
- D. Velocity is variable
|
| 2 |
The shape of trajectory of short range projectile is |
- A. Straight line
- B. Circle
- C. Elliptical
- D. Parabolic
|
| 3 |
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.
|
| 4 |
At what speed the momentum and kinetic energy of a body having the same. |
- A. 1 ms-1
- B. 2 ms-1
- C. 4 ms-1
- D. 8 ms-1
|
| 5 |
An object of mass 1 kg moving with acceleration 0 1 ms-2 will experience a force of. |
- A. 10<sup>-2</sup> N
- B. 10<sup>-3</sup> N
- C. 1 N
- D. 1 dyne
|
| 6 |
A ball is thrown up vertically, it takes 3 sec to reach maximum height. Its initial velocity is. |
- A. 10 ms-1
- B. 12.2 ms-1
- C. 15 ms-1
- D. 29.4 ms-1
|
| 7 |
No body begins to move or comes to rest of itself was given by |
- A. Newton
- B. Pascal
- C. Bernoulli
- D. Bu Ali Sina
|
| 8 |
The motion and rest are |
- A. Absolute
- B. Relative
- C. Mutual
- D. All of these
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| 9 |
An immediate source of energy for our body is: |
- A. mango
- B. <span style="color: rgb(32, 33, 36); font-family: arial, sans-serif; font-size: 32px;">Glucose</span>
- C. mushroom
- D. meat
|
| 10 |
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%
|