Question

what is pressure,a atmospheric pressure. solve this one.

Answer 1

force per unit area is called pressure

atm pressure total pressure applied on the surface of earth is know atm pressure

Answer 2

pressure-countinous physical force exerted on or against an object by something in contact with it.
atmospheric pressure-the pressure exerted by the weight of the atmosphere which at sea has a mean level of 101,325 Pascal.
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