| 1 |
Average acceleration is a |
- A. Scalar quantity
- B. Vector quantity
- C. <div>(-) ve quantity</div>
- D. None of these
|
| 2 |
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
|
| 3 |
When the body moves with constant acceleration the velocity time graph is |
- A. Parabola
- B. Hyperbola
- C. Straight line
- D. Curve
|
| 4 |
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
|
| 5 |
Distance covered by a freely falling body is 2 seconds will be |
- A. 9.8 m
- B. 19.6 m
- C. 44.4 m
- D. 49 m
|
| 6 |
when a ball is throng straight up, the acceleration at its highest point is. |
- A. Upward
- B. Down ward
- C. Zero
- D. Horizontal
|
| 7 |
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
|
| 8 |
Newton's laws of motion were published in |
- A. 1587
- B. 1687
- C. 1787
- D. 1887
|
| 9 |
Rate of change of velocity is called |
- A. Speed
- B. Acceleration
- C. Displacement
- D. Torque
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| 10 |
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
|