PRESSURE
· Pressure is defined as force perunit area.
· Unit in Pascal(Pa)
· 1 Pa=1
· absolute pressure is the actual pressure at a given position
· gage pressure is the difference between the absolute pressure and the local atmospheric pressure.
Pressure in a fluid increases with depth because more fluid rests on deeper layers.
211:VARIATION OF PRESSURE WITH DEPTH
Pascal’s law : pressure at all point at a point same in all directions.
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