The atmospheric pressure at sea level is nearly
- A$10 \ Pa$
- ✓$100,000 \ Pa$
- C$100 \ Pa$
- D$10,000 \ Pa$
Answer: B.
View full solution →Question types
Force and Pressure question types
99 questions across 7 question groups — pick any mix to generate a PHYSICS paper with step-by-step answer keys.
99
Questions
7
Question groups
5
Question types
01
MCQ
11 Q→02[1 Mark Question Answer]
22 Q→03[2 Mark Question Answer]
25 Q→04[3 Mark Question Answer]
14 Q→05[5 Mark Question Answer]
3 Q→06fill in the blanks.
10 Q→07TRUE / FALSE
14 Q→Sample Questions
Force and Pressure questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Nose bleeding may occur at a high altitude because
- ✓the atmospheric pressure decreases
- Bthe oxygen content of atmosphere decreases
- Cthe atmospheric pressure increasess
- Dthere are strong air currents at the high altitude
Answer: A.
View full solution →Pressure inside a liquid increases with
- ✓increase in depth
- Bdecrease in depth
- Cdecrease in density
- Dnone of the above
Answer: A.
View full solution →Pressure exerted by a liquid is due to it
- ✓weight
- Bmass
- Cvolume
- Darea
Answer: A.
View full solution →The feet of lizards act like
- Amoving pads
- Bdrilling pads
- ✓suction pads
- Dnone of the above
Answer: C.
View full solution →State the $\text{S.I}.$ unit of moment of force.
View full solution →Define the term moment of force.
Give reason for the following : Two holes are made in a sealed oil tin to take out oil from it.
Give reason for the following : A balloon collapses when air is removed from it.
We do not feel uneasy even under the enormous atmospheric pressure. Give a reason.
In Fig. a force $F$ is applied in a direction passing through the pivoted point $O$ of the body. Will the body rotate? Give reason to support your answer.
View full solution →State two factors on which affect moment of force.
State the effect of force $F$ in of the following diagram.
View full solution →State the effect of force $F$ in of the following diagram.
View full solution →Give reason for the following:
Water does not run out of a dropper unless its rubber bulb is pressed.
Water does not run out of a dropper unless its rubber bulb is pressed.
How does the atmospheric pressure change with altitude?
Describe a simple experiment to illustrate that air exerts pressure.
Describe an experiment to show that the liquid pressure at a point increases with the increase in height of the liquid column above that point.
State two factors on which the pressure at a point in a liquid depends.
Describe a suitable experiment to demonstrate that a liquid exerts pressure sideways also?
Describe an experiment to show that liquid pressure depends on the density of liquid.
Match the column
View full solution →| Column $A$ | Column $B$ |
| $(a)$ Camel | $(1)$ broad and deep foundation |
| $(b)$ Truck | $(2)$ broad feet |
| $(c)$ Knife | $(3)$ six or eight tyres |
| $(d)$ High building | $(4)$ sharp cutting edge |
| $(e)$ Thrust | $(5)$ atm |
| $(f)$ Moment of force | $(6)\ N$ |
| $(g)$ Atmospheric pressure | $(7)\ N m$ |
Figure shows a brick of weight $2 \ kgf $ and dimensions $20 \ cm \times 10 \ cm \times 5 \ cm$ placed in three different positions on the ground. Find the pressure exerted by the brick in each case.
View full solution →The atmospheric pressure on earth surface is nearly $........... .$
View full solution →Pressure in a liquid $.........$ with the depth.
View full solution →Pressure is reduced if $.........$ increases.
View full solution →The unit of pressure is $.........$
View full solution →Pressure is the thrust acting on a surface of $.........$ area.
View full solution →Water in a lake exerts pressure only at its bottom.
Higher we go, greater is the air pressure.
The atmospheric pressure is nearly $10^5$ Pa.
View full solution →Gases exert pressure in all directions.
A liquid exerts pressure in all directions.
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