| 1 |
an example of non-contact force is |
- A. Magnetic force
- B. Crane lifting heavy object
- C. Frictional force
- D. A tug of war
|
| 2 |
The quantity of matter in an object is called. |
- A. Weight
- B. Mass
- C. Gravity
- D. Friction
|
| 3 |
Value of "g" is taken on Earth is. |
- A. 1.6 N/kg
- B. 9 N/kg
- C. 10 N /kg
- D. 100 N /kg
|
| 4 |
SI unit of time is. |
- A. S
- B. min
- C. hr
- D. all above
|
| 5 |
The Earth's pull on the objects is called. |
- A. Gravity
- B. Frictional force
- C. Electrostatic force
- D. Magnetic force
|
| 6 |
Teh weight of 100 g mass is. |
- A. 10 N
- B. 1 N
- C. 100 N
- D. 1000 N
|
| 7 |
Force is |
- A. A push
- B. a pull
- C. A friction
- D. All above
|
| 8 |
The Earth's gravitational field strength is. |
- A. 1.6 N/kg
- B. 16 N/kg
- C. 10 N/kg
- D. 1N/kg
|
| 9 |
A batsman hits the ball back towards the bowler, which effect of force is seen. |
- A. change of shape
- B. Change of direction
- C. Change of stae from motion to rest
- D. Change of state form rest to motion.
|
| 10 |
Which one of the following statements is correct. |
- A. 1 m = 1000 km
- B. m/s is the unit of displacement.
- C. N is the unit of force
- D. 1 h = 60 s
|