PRESSURE

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Pressure is the ratio of

force to the area over

which that force is

distributed. In other

words, pressure is force

per unit area applied in a

direction perpendicular to

the surface of an object

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FORMULA

•Pressure is the effect of a force applied to a

surface. Pressure is the amount of force acting

per unit area. The symbol of pressure is p

P=F/A

where:

•p is the pressure, F is the normal force, A is

the area of the surface area on contact

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SCALAR QUANTITY

Pressure is a scalar quantity. It relates the vector

surface element (a vector normal to the surface) with

the normal force acting on it. The pressure is the

scalar proportionality constant that relates the two

normal vectors.

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