Question

A box has a mass of 5.8 kg. The box is lifted from the garage floor and placed on a shelf. If the box gains 145 J of potential energy, how high is the shelf?

Answer 1

$\huge\green{Answer}$

Here

force applied=5.8N

change in potential energy=1425J

therefore height=change in potential/force applied

=1425/5.8

=245m

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