| 1 |
A force of 20 N is acting on a body of mass 8 kg,Its acceleration will be |
- A. 2.5 ms-2
- B. 4.5 ms-2
- C. 5.5 ms-2
- D. 3.5 ms-2
|
| 2 |
What is unit of momentum? |
- A. Kg m/s
- B. m
- C. c
- D. Nil
|
| 3 |
If a 20 N wight of block hang with the string vertically then tension in string is: |
- A. 0 N
- B. 20 N
- C. 2 N
- D. 10 N
|
| 4 |
The formula of momentum is: |
- A. P=Fa
- B. P=mv
- C. F=ma
- D. F=mg
|
| 5 |
When a force of 4 Newton is applied on a body of mass 2 kg, the acceleration produced in it will be: |
- A. 2 ms<sup>-2</sup>
- B. 4 ms<sup>-2</sup>
- C. 8 ms<sup>-2</sup>
- D. 6 ms<sup>-2</sup>
|
| 6 |
In velocity the body become double , then centripetal force will be: |
- A. Half
- B. Three times greater
- C. Double
- D. Four times greater
|
| 7 |
Which machine is used to find acceleration due to gravity? |
- A. Centrifuge
- B. Atwood machine
- C. Hydraulic machine
- D. Washing machine
|
| 8 |
Which of the following is unit of momentum? |
- A. Nm
- B. Kgms<sup>-2</sup>
- C. Ns
- D. Ns<sup>-1</sup>
|
| 9 |
Newton's first law of motion is valid only in the absence of: |
- A. Force
- B. Not force
- C. Friction
- D. Momentum
|
| 10 |
What is mass of body if W = 580 N ? |
- A. 5.8 Kg
- B. 0.58 kg
- C. 0.058 kg
- D. 58 kg
|
