what is pressure?write expreason for it?what is the unit of its pressure
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Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Gauge pressure (also spelled gage pressure) is thepressure relative to the ambient pressure. Various units are used to express pressure.
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Pressure is an expression of force exerted on a surface per unit area.
The standard unit of pressure is the pascal (Pa), equivalent to one newton per meter squared (N/m 2 or N.
The standard unit of pressure is the pascal (Pa), equivalent to one newton per meter squared (N/m 2 or N.
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