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Grade: 11
        Why pressure is a scalar quantity not tensor quantity
2 years ago

Answers : (1)

Arun
24739 Points
							Pressure is a scalar quantity. Not a vector quantity.(Mind you vector and scalar are rank-1 and rank-0 tensor, so your question about being a tensor is a meaningless one, as tensor is both vector and scalar and what not, so yes it is a tensor.)And as to why it is a scalar: It`s because you always take the force in the direction perpendicular to area, what it basically say is that you take the component of the force in the direction of area (remember the direction of area is perpendicular to the surface!) and divide it by the area.
						
2 years ago
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