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==SERVER ERROR 404- PAGE NOT FOUND==
'''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>
English units used for air pressure include:
*[[atmosphere]]s
*pounds per square inch (PSI)
*inches of mercury, which is the number of inches the given pressure will raise a column of [[mercury (element) | mercury]]
SI units for pressure are Pascals, where 1 Pa = 1 N • m<sup>-2</sup>
==See also==
*[[blood pressure]] - typically measured in millimeters of mercury
==References==
<references/>
[[category:physics]]