Pascal's law is used to multiply force in machanical such as

In ____ a small force applied on smaller piston can exert a large force on bigger piston. 

The instrument used to measure the atmospheric pressure is called 

1 atm = _____ Pa. 

The force exerted on unit area of the Earth's surface due to the atmosphere is called

The Vacuum caused in the barometer tube above the surface of mercury is called a

Atmosphere is the unit of 

"The pressure exerted at any point in an enclosed and incompressible liquid is transmitted equally in all directions" is called 

Hydraulic press working under the principle of

Every liquid exerts an upward force on the objects immersed in it is called