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What is S.I. unit of pressure? …

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What is S.I. unit of pressure? How is it related to pressure in atmosphere?
  • 1 answers

Yogita Ingle 7 years, 2 months ago

Pressure is defined as the physical force exerted on an object. The force applied is perpendicular to the surface of objects per unit area. The basic formula for pressure is F/A (Force per unit area). Unit of pressure is Pascals (Pa).
The earth’s atmospheric air is surrounded by a layer of gases and so this air surrounding the earth exerts a pressure known as the ‘atmospheric pressure’.  Its value at sea level is 101325 Pa. 

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