sweetymoona123 sweetymoona123

21-06-2021
Physics

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A motor lifts a weight of 5N up to the height of 2m in 4 seconds. What will be the power of motor?

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Khulimulisagar Khulimulisagar

21-06-2021

2.5 watt

Explanation:

we know

power = work done /time

work done gainst gravity is = mgh

as mg = weight = force = 5 N

and height = 2 m

so work done = mgh = 5*2 = 10N

therefore ,

Power = 10/4 = 2.5 watt

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