Answer :
The power required is 20 W
Explanation:
There is a missing piece of information in the question: the time needed to lift the box. Therefore, I will assume it is 1 second.
First of all, we need to calculate the work done in lifting the box. This is given by the equation:
[tex]W=Fd[/tex]
where
F = 10 N is the weight of the box
d = 2 m is the distance through which the box has been lifted
Substituting, we find
[tex]W=(10)(2)=20 J[/tex]
Now, we can find the power required, which is given by
[tex]P=\frac{W}{t}[/tex]
where
W = 20 J is the work done
t = 1 s is the time required
Substituting, we find
[tex]P=\frac{20}{1}=20 W[/tex]
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