How watt is related to the fundamental units?

kg m

^{2} s^{- 3}

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kg m

^{2} s^{- 2}

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s^{- 1}

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Solution

The correct option is A kg m $^{2} s^{- 3}$
SI unit of mass is Kg , acceleration is $m s^{- 2}$ ad of velocity is $m s^{- 1}$ .
Now power is defined as $=$ force $\times$ velocity, where $F = m \times a$
So, $P = m \times a \times v$ , putting the SI unit of $m, a, v$
We get SI unit of power is $k g m^{2} s^{- 3}$ .

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