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Centre of pressure can be calculated using __________

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Centre of pressure can be calculated using __________

(a) Principle of moments

(b) Principle of energy

(c) Mass conservation

(d) Rayleigh’s principle

This question was addressed to me during an online exam.

This interesting question is from Vortex Flow topic in chapter Inviscid & Incompressible Flow of Aerodynamics

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Correct option is (a) Principle of moments

To explain I would say: The centre of pressure can be calculated using a principle of moments which states that the moment of the resultant force about an axis is equal to the sum of moments of the components about the same axis.

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