| 1 |
No body begins to move or comes to rest of itself was given by |
- A. Newton
- B. Pascal
- C. Bernoulli
- D. Bu Ali Sina
|
| 2 |
Newton's laws of motion were published in |
- A. 1587
- B. 1687
- C. 1787
- D. 1887
|
| 3 |
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%
|
| 4 |
The shortest distance between two points is called |
- A. Distance
- B. Amplitude
- C. Displacement
- D. Is a number
|
| 5 |
In the absence of air resistance the acceleration of a body will be |
- A. Uniform
- B. Variable
- C. Instantaneous
- D. None of these
|
| 6 |
The mass of an object is quantitative measure 0 its |
- A. Momentum
- B. Acceleration
- C. Inertia
- D. Energy
|
| 7 |
The velocity of a projectile is maximum |
- A. At the highest point
- B. At point of launching and just before striking the ground
- C. At half of the height
- D. After striking the ground
|
| 8 |
The motion and rest are |
- A. Absolute
- B. Relative
- C. Mutual
- D. All of these
|
| 9 |
A ball is thrown up with 20 ms-1 at an angle of 60 <sup>o</sup>with x-axis , the velocity of the ball at the top position is. |
- A. 0 ms-1
- B. 10 ms-1
- C. 20 ms-1
- D. 16 ms-1
|
| 10 |
when a ball is throng straight up, the acceleration at its highest point is. |
- A. Upward
- B. Down ward
- C. Zero
- D. Horizontal
|