Question

Sam and Becky each move 10 boxes. Sam moved the boxes in 30 minutes, while Becky...

Sam and Becky each move 10 boxes. Sam moved the boxes in 30 minutes, while Becky moved them in 20 minutes. Assuming the boxes required the same amount of force to move, and they were all moved the same distance, which of the following is true?

1.Becky did more work than Sam, because it was done faster

2. Sam did more work than Becky, because it took longer

3. Becky had more power than Sam but did not do more work

4. Sam had more power than Becky but did not do more work

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Answer #1

Sam and Becky apply the same amount of force on each boxes in moving the same distance which means workdone by same and becky is same but their rate of doing work is different , Becky has more power than sam because Becky did the same amount of work as Sam does in a less time.

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