sandraarisbethviolan sandraarisbethviolan
  • 28-05-2021
  • Physics
contestada

John and Henry push a piano with 800N, and the piano refuses to move. According to the definition of work in physics, there is NO work done on the piano.

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Luv2Teach
Luv2Teach Luv2Teach
  • 04-06-2021

Answer:

Explanation:

This is true because the definition of work is the parallel force required to move an object times the distance it moves. If it doesn't move, no work has been done. That is not to say that no energy has been expended, because it most certainly has! But that is not the same thing.

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