•    It is defined as the force acting per unit area. It is denoted by ‘p’
•    S.I. unit N/m² i.e. Pascal

P = P/A = Force/Area

•    When a fluid is contained in a vessel, it exerts force at all points on the sides and bottom of the container. The force per unit area is called as pressure.
•    The pressure of a fluid on a surface will always act normal to the surface.

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