| 1 |
Two equal forces actat the same time on the same stationary object but in the opposite directions. Which statement describes the object's motion. |
- A. The object changes direction
- B. The objet accelerates
- C. The object remains stationary
- D. The object moves at a constant speed
|
| 2 |
As we go up in the air. |
- A. Atmospheric pressure increases
- B. Atmospheric pressur edecreases
- C. Atmospheric pressur edoes not change
- D. Atmosphericpressur ebecomes zero at the height of 1 km
|
| 3 |
What causes object to move. |
- A. Velocity
- B. Unbalnced forces
- C. Balanced force
- D. Friction
|
| 4 |
Pressure = |
- A. Force /Area
- B. Area/force
- C. Area x Force
- D. Area + force
|
| 5 |
1 kPa= |
- A. 1000 Pa
- B. 100 Pa
- C. 1056 Pa
- D. 800 Pa
|
| 6 |
The force acting normally unit area is. |
- A. Strees
- B. Strain
- C. Motion
- D. Pressure
|
| 7 |
What is true formula. |
- A. Densit = Mass x volume
- B. Density = Mass/volume
- C. Volume =Mass x volume
- D. Density = volume/Mass
|
| 8 |
People on hills experience atomospheric pressure. |
- A. More than that at the sea level
- B. Less than that at the sea level
- C. same as that at the sea level
- D. Four times more than that at the se alevel
|
| 9 |
Unit of Pressure is |
- A. Joule
- B. Newton
- C. Nm2
- D. Nm-2
|
| 10 |
A student pushes against a tree with a force of 10 newtons. The tree does not move. What is the amount of force exerted by the treen on the student. |
- A. 0
- B. 5 N
- C. 10 N
- D. 20 N
|
