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  4. The dimensions of potential energy of an object in mass, length and time are respectively

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Q. The dimensions of potential energy of an object in mass, length and time are respectively

Physical World, Units and Measurements

Solution:

The dimensional formula of energy
$E=\left[ ML ^{2} T ^{-2}\right]$
So, dimensions of
i) Mass $\rightarrow 1$
ii) Length $\rightarrow 2$
iii) Time $\rightarrow-2$