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The Concept of Pressure

12 Aug

Pressure is define as force per unit area.

Pressure is very similar to Force, but applies force over a particular area.

The units of this equation will be:

For comparison, 1 atmosphere (using Earth’s atmosphere at sea-level as a standard is:

14.7 lbs/in2 = 100 kPa = 1 bar = 760 mm Hg = 29.92 inches Hg

The pressure acting on a surface depends on ..
(a) the force acting on the object.
(b) The area on which the force is acting

 

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