[VIM3] 1.22 quantity equation

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mathematical relation between quantities in a given system of quantities, independent of measurement units


EXAMPLE 1 Q1 = ζ Q2 Q3 where Q1, Q2 and Q3 denote different quantities, and where ζ is a numerical factor.

EXAMPLE 2 T = (1/2) mv2where T is the kinetic energy and v the speed of a specified particle of mass m.

EXAMPLE 3 n = It/F where n is the amount of substance of a univalent component, I is the electric current and t the duration of the electrolysis, and where F is the Faraday constant.



2 Measurement