Question #5a15b

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Cosmic Defect · Media Owl
Dec 28, 2014

Answer : The SI unit for angular momentum is #\quad kg.m^2.s^{-1}# and its dimension is #M.L^2.T^{-1}#.

Explanation : Angular Momentum is the rotational motion equivalent of the Linear Momentum of Translational motion. It is defined as the moment of Linear Momentum.

#\vec{L} \equiv \vec{r}\times\vec{p}= \vec{r}\timesm\vec{v}#

#L = r.mv.\sin\theta; \qquad \sin\theta # is a unitless quantity.
SI units for #m, r# and #v# are, respectively, #kg#, #m# and #m.s^{-1}#.

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