| 1 |
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
|
| 2 |
1 Newton =_________ |
- A. 1 kg ms<sup>-2</sup>
- B. 1 kg ms
- C. 1 kg m<sup>-1</sup>s<sup>-2</sup>
- D. 1 kg<sup>-1 </sup>m<sup>-1</sup> s<sup>-1</sup>
|
| 3 |
In symbols, Newton's second law of motion is stated as |
- A. F = m/a
- B. F = ma
- C. F = a/m
- D. F = ma<sup>2</sup>
|
| 4 |
Which types of friction is minimum? |
- A. Sliding
- B. Limiting
- C. Rolling
- D. None
|
| 5 |
The weight of a body of mass 20 kg is: |
- A. 2 N
- B. 10 N
- C. 20 N
- D. 200 N
|
| 6 |
Sliding friction can be converted into rolling friction by using |
- A. Levers
- B. Wedges
- C. Ball bearings
- D. Pulleys
|
| 7 |
The momentum of two or more than two bodies intersacting remain constant in: |
- A. Law of inertia
- B. Isolated system
- C. System
- D. None
|
| 8 |
In which case it is easy for the tyre to roll over: |
- A. Rough ground
- B. Smooth ground
- C. Same
- D. None
|
| 9 |
Motion of the rocket is the example of which law? |
- A. First law
- B. Second law
- C. Third law
- D. Law of momentum
|
| 10 |
The Atwood machine can be used to find the acceleration due to gravity using the equation |
- A. g = 2 (m1 x m2)/(m1 + m2) a
- B. g = (m1 - m2)/(m1 + m2) a
- C. g = (m1 + m2)/(m1 - m2) a
|
