You and a friend each carry identical boxes from the first floor of a building to a room located on the second floor, farther down the hall. You choose to carry the box first up the stairs, and then down the hall to the room. Your friend carries it down the hall on the first floor, then up a different stairwell to the second floor. How do the amounts of work done by the two of you on your boxes compare?'

Question

30-11-2019
Physics

contestada

You and a friend each carry identical boxes from the first floor of a building to a room located on the second floor, farther down the hall. You choose to carry the box first up the stairs, and then down the hall to the room. Your friend carries it down the hall on the first floor, then up a different stairwell to the second floor. How do the amounts of work done by the two of you on your boxes compare?'

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aristocles aristocles · Answer 1 · 2019-12-02T08:08:33+01:00

Answer:

Work done in both the cases will be same

Explanation:

As we know that the work done against gravity is given as

[tex]W = F_g .d[/tex]

here we know that gravitational force is a conservative force and the work done against gravitational force is independent of the path

So here the work done by person to move the object between two different heights will be independent of the path they choose

So for the first person and second person will be same in both the cases because the height through which the boxes are transferred will be same in both the cases

okpalawalter8 okpalawalter8 · Answer 2 · 2022-03-24T12:53:54+01:00

The work done by the two of you on your boxes is the same as work done by the boxes use your collective efforts to calculate force and distance.

What is the comparison b/w the work done by the two of you on your boxes?

The equation of work done is

W=Fd

Generally, in comparing our work done on the boxes we must consider gravitational for here to be a conservative force and the work done against gravitational force is autonomous of the path

In conclusion, you and the friend, because the height through which the boxes are deeded will be the same your work done will be the same in both cases.