1 |
As we go up in the air. |
Atmospheric pressure increases
Atmospheric pressur edecreases
Atmospheric pressur edoes not change
Atmosphericpressur ebecomes zero at the height of 1 km
|
2 |
People on hills experience atomospheric pressure. |
More than that at the sea level
Less than that at the sea level
same as that at the sea level
Four times more than that at the se alevel
|
3 |
A force of 1800 N is acting on the surface area of 0.06 m2. The pressure exerted by he force will be. |
3 kPa
30 KPa
300 kPa
3000 kPa
|
4 |
When same amount of force is applied on differente areas, it exerts. |
Low pressure on small area
No Pressure on small area
High pressur eon small area
High pressur eon large area
|
5 |
The SI unit of pressur eis. |
Watt
Joule
Pascal
Newton
|
6 |
What causes object to move. |
Velocity
Unbalnced forces
Balanced force
Friction
|
7 |
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. |
0
5 N
10 N
20 N
|
8 |
Two equal forces actat the same time on the same stationary object but in the opposite directions. Which statement describes the object's motion. |
The object changes direction
The objet accelerates
The object remains stationary
The object moves at a constant speed
|
9 |
In dilute HCl blue litmus turns. |
Orange
Yellow
Red
Pink
|
10 |
pH value of milk of magnesia. |
7
11
9
14
|