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Variation of pressure with depth

An exploration of the variation of pressure with depth which gives derivation of general formula relating pressures at two points in a fluid separated by a depth 'h'.

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http://theory.uwinnipeg.ca/physics/fluids/node8.html

Atmospheric Pressure

The fundamental SI unit of pressure is the Pascal (Pa), but it is a small unit so kPa is the most common direct pressure unit for atmospheric pressure. 1 mm Hg is an old unit of pressure ...

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http://hyperphysics.phy-astr.gsu.edu/hbase/pman.html#atm

Pressure is a measure of the force against a surface. Pressure is usually expressed as a force per unit area. Here is a handy conversion calculator for some common pressure terms. The definitions of ...

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http://www.ilpi.com/msds/ref/pressureunits.html

GCSE Physics: Pressure

An introduction to pressure which discusses various everyday applications and the relationship between pressure and surface area.

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http://www.darvill.clara.net/enforcemot/pressure.htm

Pressure

Pressure is defined as force per unit area. It is usually more convenient to use pressure rather than force to describe the influences upon fluid behavior.

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http://hyperphysics.phy-astr.gsu.edu/hbase/press.html#pre

Welcome to the Pressure Chamber

In this series of experiments, you will control the action of a piston in a pressure chamber which is filled with an ideal gas. The gas is defined by four states: Temperature Volume or density ...

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http://zebu.uoregon.edu/nsf/piston.html