| 1 |
Formula of weight is derived from which law? |
- A. First law
- B. Second law
- C. Third law
- D. Law of conservation of momentum
|
| 2 |
A string is stretched by two equal and opposite force 10 N each. The tension in the string is: |
- A. Zero
- B. 5 N
- C. 10 N
- D. 20 N
|
| 3 |
When a block a place on the surface its weight produce. |
- A. Tension
- B. Momentum
- C. Inertia
- D. Normal reaction
|
| 4 |
The force which opposes the motion is called. |
- A. Momentum
- B. Friction
- C. Inertia
- D. Tension
|
| 5 |
The maximum value of friction is: |
- A. Kinetic friction
- B. Static friction
- C. Limiting friction
- D. Dynamic friction
|
| 6 |
A string is stretched by two equal and opposite forces 10 N each. The tension in the string is |
- A. Zero
- B. 5N
- C. 10N
- D. 20N
|
| 7 |
If radius of circle is doubled then centripetal acceleration becomes: |
- A. Doubled
- B. Three times
- C. Four times
- D. Half times
|
| 8 |
Momentum is defined as the product of |
- A. Mass and acceleration
- B. Force and acceleration
- C. Mass and velocity
- D. Force and velocity
|
| 9 |
Rate of change of momentum equals: |
- A. Displacement
- B. Acceleration
- C. <sup>Force</sup>
- D. Velocity
|
| 10 |
Relation between force and momentum is: |
- A. <span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;"></span><b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">ΔP/F</b>
- B. <span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;"></span><b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">ΔP/t</b>
- C. <span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;"></span><b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">ΔPF</b>
- D. None
|
