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Mechanical Properties of Fluids
Question
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Explain why?

Hydrostatic pressure is a scalar quantity even though pressure is force divided by area.

Answer

When a force is applied at any point, hydrostatic pressure is transmitted equally in all directions and not just in a particular direction. 
This the reason pressure is a scalar quantity even though force is a vector. 

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Some More Questions From Mechanical Properties of Fluids Chapter

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Define pressure.

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