Question 1 :
Pressure exerted by a sharp needle on a surface is :
Question 3 :
Pressure (P) exented by liquid on walls of the container when h = height of the liquid column, f = density, g is acceleration due to gravity
Question 6 :
As the height of the liquid column increases, the pressure exerted by a liquid at the lowest point ________.
Question 8 :
The pressure due to atmosphere is $1.013\times 10^5$Pa. Find the force exerted by the atmosphere on the top surface of a table $2m$ long and $1m$ wide.<br>
Question 9 :
State whether the given statement is true or false :<br/>Gravity and friction are both contact forces. 
Question 10 :
wherever the air pressure is higher, there will be a stronger force or push against an object. Is the statement True or False<br>
Question 11 :
What happens, when the pressure inside a sealed bottle exceeds the atmospheric pressure?
Question 12 :
A box exerts a force of $420N$ on a floor. The bottom of the box has an area of $0.7m^2$. What is the pressure exerted by the box on the floor?<br>
Question 14 :
During winter, clothes tend to stick to our body as an action of ______ force.
Question 15 :
Fill in the blank.Keeping the surface area constant, if  the force is doubled, pressure _______.
Question 16 :
What happens when pressure inside a sealed can is less than the atmospheric pressure?
Question 17 :
If the force on the surface is doubled and the area is reduced to half, pressure will:
Question 19 :
Fill in the blank.It becomes _______ to cut vegetable with a sharp edged knife because the pressure is _______.