Answers

2014-12-15T21:33:44+08:00
Now, we need power to make energy for us to work.
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2014-12-16T01:41:01+08:00
Work is the product of force and displacement in the direction of force ie W=FXS ITS UNIT IS JOULE.Energy is the capacity or abillity to do work. the magnitude of work and energy are same.Power is rate of work  ie power= work/time. its unit is watt
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