Question

28. What is pressure? Write its unit.

Answer 1

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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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Answer 2

Answer:

Unit of pressure is pascal ( pa)

Explanation:

pressure is the amount bof force applied perpendicular to the surface of an object per unit area and the for it is (pa ) the SI unit for pressure is pascal