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What is the pressure if 10 N of force acts at 30 degrees from the surface of area 5 m^2?

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What is the pressure if 10 N of force acts at 30 degrees from the surface of area 5 m^2?

(a) 1 Pa

(b) 2 Pa

(c) 5 Pa

(d) 10 Pa

The question was posed to me in an online quiz.

This key question is from Measurement of Pressure topic in chapter Temperature and Pressure of Basic Chemical Engineering

1 Answer

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Best answer
The correct option is (a) 1 Pa

The explanation is: Normal component of the force = 10sin30^o = 10*0.5 = 5 N, => Pressure = 5/5 = 1 Pa.

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