Posted by please help(: on Wednesday, November 4, 2009 at 1:50pm.
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  bobpursley, Wednesday, November 4, 2009 at 1:57pm
None of these do work. Is the weight in the direction of the movement? Ans: No
all are wrong.

science  please help(:, Wednesday, November 4, 2009 at 2:00pm
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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