The time rate of doing work is called power.It is scalar quantity.

$$ P = \frac{dw}{dt}$$

SI unit of power is watt ( W ), which is equal to Joule per second ( J s^{-1} ).

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# Tag: Power

## Power

The time rate of doing work is called power.It is scalar quantity.

$$ P = \frac{dw}{dt}$$

SI unit of power is watt ( W ), which is equal to Joule per second ( J s^{-1} ).