Question 2 :
Which of the following are the common consequences of atmospheric pressure in our daily life.

Question 3 :
_________ invented a pump to extract air out of the vessel.

Question 4 :
A vehicle sinks into soft ground. The vehicle is changed so that it does not sink as far. Which change is made?

Question 6 :
While filling a syringe with liquid which of the following is true for pressure inside the barrel and the atmospheric pressure acting on the liquid?

Question 7 :
Pressure which a fluid exerts on the sidesof a container , below its free surface is known as

Question 8 :
How much pressure will a girl of 50 kg wearing heels with an area of cross section $1 cm^2$ exert on the ground?

Question 10 :
Assertion: Pressure applied to an enclosed fluid is transmitted undiminished to every portion of the fluid and the walls of the containing vessel. Reason: Fluids cannot distribute the external pressure equally to all portions.

Question 11 :
Which of the following is not a unit of force ?

Question 14 :
A rider on horse falls back when horse starts running all of a sudden because

Question 15 :
On a body, a force of $5N$ is applied towards North and another force of $2N$ is applied towards South. Net force on the body is

Question 16 :
A right angled tube is fixed horizontally on a horizontal surface and an ideal liquid of density p is flowing into the tube at the rate of $Q = 4 m^3/s$ Cross sectional area of the tube at intake and outlet positions are $A = 2 m^2$ and $S = 1 m^2$ respectively. The magnitude of net force exerted by liquid on the tube is (Given that the value of atmospheric pressure $P_o = 4p N/m^2$)

Question 17 :
A cube of Ice is floating in water. The fraction of its length lie outside the water is (sp. Gravity of Ice $= 0.96$)