sarah369 sarah369
  • 24-04-2018
  • Physics
contestada

A student pulls a lever down 4 m. The lever lifts a box that weighs 20 N up a distance of 2 m. How much work was done on the box?

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lilaipo
lilaipo lilaipo
  • 04-05-2018
The answer is 40 J.  A student pulls a lever down 4 m. The lever lifts a box that weighs 20 N up a distance of 2 m. 40 J of work was done on the box.  
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