Question

# $$kg {m}^{2} {s}^{-2}$$ represents the unit of

A
Kinetic energy
B
Work done
C
Potential energy
D
All the above

Solution

## The correct option is D All the above$$kgm^2s^{-2}$$ is unit of energy and all these given in option are energy in different form so all will have same unit.i am showing it deriving for one.kinetic energy $$\frac{1}{2}mv^2=kg.m^2S^{-2}$$hence answer is option D.Physics

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