Question

a portable machine requires a force of 200N to move it. how much work is done if the machine is moved 20m and what average power is utilized if the movement takes 25s?

Answer 1

Answer:

work=force×displacement

work=200×20=4000J

power =work/time

=4000/25=160W

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Answer 2

Answer:

Average power utilized is 160 W.

Explanation:

We know that,

Work = Force X Distance

∴ Work = 200 N X 20 m

           = 4000 J

We also know that,    $Power =\frac{work}{time}$

∴ Power = $\frac{4000}{25}$  

             = 160 W

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