You need to carry six cans of paint from the basement of your house to the attic. Will you do more work if you take the cans two at a time or if you carry them all at once?

Question

Rodriguez

Physics

31 March, 14:54

You need to carry six cans of paint from the basement of your house to the attic. Will you do more work if you take the cans two at a time or if you carry them all at once?

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Answers (1)

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Jakobe Cochran · Answer 1

Work will be same on each case.

Explanation:

Work done = Energy change

The total work done by carrying two buckets in one trip or all in one trip is the same as the energy change in the six buckets is same in both cases. Either way buckets will gain the same increase in potential energy so work done is change.

But you will feel more exhausted when you carry all six once and will feel more comfortable when carrying 2 at a round.

This is not because you will doing different amount of work but due to drawing out same amount of work in different ranges of time.

When carrying 2 at a round you draw same amount of energy in lesser time so body can easily support the energy draining out than in the other case of carrying all 6 buckets once.