Question

define: work,power and energy.state their SI units

Answer 1

Work is defined as activity involving mental or physical effort done in order to achieve a purpose or result.The S.I unit of work is joule.

Power is defined as the ability or capacity to do something or act in a particular way.The S.I unit of power is watt.

Energy is defined as the strength and the vitality required for sustained physical or mental activity.The SI unit of energy is joules.

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