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| − | '''Pressure''' is defined as the [[force]] per unit [[area]] exerted on a surface.<ref>Wile, Dr. Jay L. ''Exploring Creation With Chemistry''. Apologia Educational Ministries, Inc. 1998</ref>
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| − | English units used for air pressure include:
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| − | *[[atmosphere]]s
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| − | *pounds per square inch (PSI)
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| − | *inches of mercury, which is the number of inches the given pressure will raise a column of [[mercury (element) | mercury]]
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| − | SI units for pressure are Pascals, where 1 Pa = 1 N • m<sup>-2</sup>
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| − | ==See also==
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| − | *[[blood pressure]] - typically measured in millimeters of mercury
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| − | ==References==
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| − | <references/>
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| − | [[category:physics]]
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