Energy density and pressure have same dimensions. comment and can there be a physical quantity without units and without dimensions
Asked by spoorthy_p | 9th Jun, 2011, 11:39: PM
'Co-efficient of friction' is a physical quantity that has no unit and no dimensions.
Though energy density and pressuire have the same dimensions, they do not share the same units, hence they are different physical quantities.
Answered by | 13th Jun, 2011, 11:30: AM
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