Question

Power is a scaler quantity. Give reason​

Answer 1

I have always been a bit confused on deciding on scalar and vector quantities. Most of the time, my intuition gives me opposite to the right answer. So now I desperately want to know why power including work is a scalar quantity.

REASON :-

Power on its own is defined as being the rate of energy transfer, and it has no additional information as to its direction, so it is a scalar. ... Thus, power on its own is a scalar quantity, but we do have a notion of direction for power which is encoded in the Poynting vector, or analogues of it for other phenomena.

Answer 2

Explanation:

$power = \frac{work \: done}{time} \\ we \: know \: that \: wor k \: is \: a \: scalar \: quantity \: and \: power \: is \: rate \: of \: change \: of \: work \: so \: it \: also \: will \: be \: scalar$

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