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achcottonaiuon.What is air pressure ? State the units to measure pressure.4.

Answer»

Thedefinition of air pressureis the force exerted onto a surface by the weight of theair. An example ofair pressureis the average sea-levelair pressureof 101.325 kPA.

The SI unit for pressure is the pascal (Pa), equal to one newton persquaremetre (N/m2, or kg. m. s−2). This name for the unit was added in 1971; before that, pressure in SI was expressed simply in newtons persquaremetre.



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