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If a pressure of 400 Pa acts on 20 m2 area, what is the value force?

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If a pressure of 400 Pa acts on 20 m2 area, what is the value force?

(a) 2 KN

(b) 4 KN

(c) 6KN

(d) 8KN

I had been asked this question by my school teacher while I was bunking the class.

This is a very interesting question from Pressure and Hydrostatic Head-III in portion Introductory Concepts of Chemical Process Calculation

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Correct option is (d) 8KN

Explanation: Force = Pressure*Area.

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