Question

Mrs. Smith is placing boxes of books on some shelves. When she needs to place the same boxes on a higher shelf, how is the gravitational potential energy of the boxes affected?

Answer 1

In this case, Mrs. Smith is putting a box at some height for which gravitational potential energy becomes = mgh

Now she puts the same boxes at a higher altitude. This means that g will not change. Mass will be the same because she's putting the same boxes. Height will increase in the second case because she put it higher.

So the gravitational potential energy becomes affected due to increase in height !

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