| 1 |
The centripetal acceleration is always along. |
- A. Normal force
- B. Centripetal forces
- C. Mass
- D. Horizental forces
|
| 2 |
The approximate weight of 80 gram mass on the surface of Earth is |
- A. 800 N
- B. 80 N
- C. 0.8 N
- D. 8 N
|
| 3 |
The force which complete a body to move in circle is: |
- A. Centripetal force
- B. Centrifugal force
- C. Perpendicular force
- D. Tension
|
| 4 |
If the velocity of moving body in circle is doubled, then its centripetal force is |
- A. Double
- B. Half
- C. Four times
- D. Remain
|
| 5 |
That force which produces an acceleration of one metre per second per second in a body of one kilogram mass is called |
- A. 1 joule
- B. 1 newton
- C. 1 watt
- D. 1 ampere
|
| 6 |
When a block a place on the surface its weight produce. |
- A. Tension
- B. Momentum
- C. Inertia
- D. Normal reaction
|
| 7 |
The unit of π is: |
|
| 8 |
If the weight body is greater then tension then body will. |
- A. Move upward
- B. move downward
- C. not move
- D. None
|
| 9 |
The unit of momentum is : |
- A. kgms<sup>-1</sup>
- B. kgms<sup>-2</sup>
- C. m sec
- D. None
|
| 10 |
Centripetal force always acts _________ to the motion: |
- A. Opposite
- B. Parallel
- C. Perpendicular
- D. Upward
|
