Pressure in LiquidPressure in Liquid

Pressure in liquid is not affected by area

Pressure in Pressure in liquid liquid acts acts

equally equally in all in all

directiondirection

Characteristics of Characteristics of Pressure in LiquidPressure in Liquid

Pressure in liquid is not Pressure in liquid is not affected by shape, size and affected by shape, size and

surface areasurface area

Pressure Pressure in Liquid in Liquid

of 2 of 2 points points which which are at are at

the the same same

depth is depth is the the

same.same.

Pressure in Pressure in Liquid affected Liquid affected by depth from by depth from the surface of the surface of

the liquidthe liquid

The deeper it The deeper it goes, the higher goes, the higher the pressurethe pressure

Bubbles get bigger as they

rise to the surface of the

sea. Why?

Pressure in the Pressure in the liquid = liquid =

pressure of pressure of liquid + liquid +

atmospheric atmospheric pressurepressure

Applications of Applications of Pressure in Pressure in

LiquidLiquid

Public water supply Public water supply systemsystem Reservoir is placed at elevated Reservoir is placed at elevated

location so that water have sufficient location so that water have sufficient pressure to flow to consumers at pressure to flow to consumers at lower groundslower grounds

Broad and thicker base to withstand Broad and thicker base to withstand high water pressure at the bottom high water pressure at the bottom of the damof the dam

Construction of Construction of damsdams

Infusion of Infusion of medicine to medicine to

patientpatient The medicine The medicine

bottle is hung bottle is hung at an elevated at an elevated position so that position so that medicine has medicine has sufficient sufficient pressure to pressure to flow into the flow into the veins of patientveins of patient