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Pascal is a unit of pressure. The air pressure we feel at ground level is 1 atmosphere which is equivalent to 1.0135 x10^5 Pascals The pascal (Pa) is the SI derived unit of pressure. It is a measure of perpendicular force F per unit area A, i.e. equivalent to one newton per square meter or one joule per cubic meter. In everyday life, the pascal is perhaps best known from meteorological air-pressure reports, where it occurs in the form of kilopascal. 1 kPa = 1000 Pa.
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Blaise Pascal invented pathway questions.