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ARC-Easy / Mercury_SC_408554 / A group of workers needs to move a piano from the second floor of a building.…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A group of workers needs to move a piano from the second floor of a building. The piano is too wide to fit through the door, so they will lower the piano to the ground through a window. Which tool would be best to help the workers lower the piano from the window?

choices

  • wheel and axle
  • inclined plane
  • pulley
  • wedge

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Source and history

Official source

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