alexmaciel
alexmaciel alexmaciel
  • 15-12-2022
  • Engineering
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if a force of 100 newtons is needed to move a 500 newtons rock that is six inches from the fulcrum, how long is the lever arm from the fulcrum to the effort force? a) 10 inches b) 20 inches c) 30 inches d) 40 inches

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