| 1 |
The machine which use unequal masses to find the value of "g" is ________ |
- A. Free fall apparatus
- B. Atwood machine
- C. Pulley
- D. None
|
| 2 |
Newton's first law of motion is valid only in the absence of: |
- A. Force
- B. Not force
- C. Friction
- D. Momentum
|
| 3 |
A sugar bag of 1 kg has a momentum 25 kg m/s than its velocity is : |
- A. v = 20 m/s
- B. v = 25 kg
- C. V = 25 m/s
- D. v = 25 kg/ms-1
|
| 4 |
Outer edge of the curved road is elevated to prevent |
- A. Circular motion
- B. Centripetal force
- C. Skidding
- D. Protection
|
| 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 |
Which of the following material lowers friction when pushed between metal plates: |
- A. Water
- B. Fine marble poder
- C. Air
- D. Oil
|
| 7 |
If the force of 25 N is acting along the string to balance the weight then tension in string is |
- A. 25 N
- B. 50 N
- C. Zero
- D. None
|
| 8 |
If the mass of body is doubled while keeping the force contant, then acceleration will be: |
- A. Doubled
- B. One half
- C. 4 times
- D. One fourth
|
| 9 |
Newton related inertia of the body with its |
- A. Weight
- B. Mass
- C. Density
- D. Force
|
| 10 |
________ is used to measure the force or weight of a body : |
- A. Physical balance
- B. Spring balance
- C. A and B both
- D. None
|
