1 |
The unit of momentum is : |
- A. kgms<sup>-1</sup>
- B. kgms<sup>-2</sup>
- C. m sec
- D. None
|
2 |
S.I unit of force is: |
|
3 |
The unit of π is: |
|
4 |
Coefficient of friction between tyre and dry road is. |
- A. 0.6
- B. 1
- C. 0.05
- D. 0.2
|
5 |
When horse pulls a cart, the action is on the: |
- A. Cart
- B. Earth
- C. Horse
- D. Earth and cart
|
6 |
If the acceleration is 10 m/s2 and mass 10kg: |
- A. F = 99N
- B. F = 100 Kg
- C. F = 100 m/s2
- D. F =100 N
|
7 |
Rolling friction is___________ then sliding friction : |
- A. Greter
- B. Less
- C. Some
- D. Half
|
8 |
The force_________oppose the motion of a moving object is called: |
- A. Momentum
- B. Friction
- C. Power
- D. Work
|
9 |
The acceleration produced in a moving body is always in the direction of applied |
- A. Velocity
- B. Force
- C. Speed
- D. Momentum
|
10 |
1 N ___________ |
- A. 1 kgms<sup>-2</sup>
- B. 1 kg ms<sup>-1</sup>
- C. ms<sup>-2</sup>
- D. All
|