What are the dimensions of coefficient of friction?
(a) MLT^-2
(b) LT^-1
(c) L
(d) It is dimensionless
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Question is from Dimensional Formulae and Equations topic in chapter Units and Measurements of Physics – Class 11
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Easiest explanation: Coefficient of friction is the ratio of Frictional force to Normal Reaction force; hence it is dimensionless. The formula for calculating this is, f = µN.
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