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science

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Arrange the following from the most work to the least. For each instance, calculate the total amount of work done. Show all calculations, including units of measure.

1. pushing a box of math books weighing 600 newtons a distance of 20 meters
12000J

2. pulling a television weighing 400 newtons down a hallway of 35 meters
14000J
3. pushing a stalled truck weighing 7,500 newtons a distance of 0.4 meters
3000J
4. carrying several textbooks weighing 130 newtons, over the course of a semester, for 5,000 meters
650000J
i am quite confused... would it be 4,2,1,3 or is that wrong? and why?

  • science - ,

    None of these do work. Is the weight in the direction of the movement? Ans: No
    all are wrong.

  • science - ,

    i did all those calculations...so are the calculations wrong or is there just no order period cause none do work?

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