DERIVE THE EXPRESSION SI unit
FOR PRESSURE
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Pressure—the effect of a force applied to a surface—is a derived unit, obtained from combining base units. The unit of pressure in the SI system is the pascal (Pa), defined as a force of one Newton per square meter. The conversion between atm, Pa, and torr is as follows: 1 atm = 101325 Pa = 760 torr.
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Explanation:
pressure= Force /acceleration
unit of pressure= unit of force/unit of acceleration
=Newton/m/sec2 or pascal
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