Pressure in Fluids

Pressure In Fluids

thrust

a force acting normally on a surface

pressure

a force (thrust) acting normally on unit surface area

scalar quantity

si unit: Pa

when a force of 1N act normally on an area of 1 meter square, the the pressure acting on the surface is called 1 pascal

pressure which a fluid exerts on the sides of a containing vessel, below its free surfaceis commonly called Lateral pressure

1kgfm-2 = 10 Pa

meteorological unit - bar

1 bar = 100000 pa

fluid

any substance that has no fixed shape and can flow

exterts pressure in all direction