Do I do more work in lifting a box up to a table from the floor in two seconds or in one second? Explain, which case requires more power.

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27-06-2024
Physics

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Do I do more work in lifting a box up to a table from the floor in two seconds or in one second? Explain, which case requires more power.

Sagot :

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Subhamjrpidn Subhamjrpidn · Answer 1 · 2024-06-27T05:18:26-04:00

Explanation:

You do the same amount of work in both cases, as the weight of the box and the distance it is lifted (from the floor to the table) are the same. However, the power required to lift the box in one second is greater than the power required to lift it in two seconds.

Power is the rate at which work is done, and it is calculated as:

Power = Work / Time

Since the work is the same in both cases, the power required to lift the box in one second is:

Power = Work / 1 second

Which is greater than the power required to lift the box in two seconds:

Power = Work / 2 seconds

Therefore, lifting the box in one second requires more power than lifting it in two seconds.

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