A student tries lifting a heavy stone with a short crow... | Science Class 7

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Science Class 7 Other

Asked by Y.JESSICA GEONA RAJ · HOME SCHOOL

A student tries lifting a heavy stone with a short crowbar and fails. What should he do to make lifting
easier

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A Move the fulcrum far away and shorten the effort arm
B Use more force only
C Use a longer crowbar to increase the effort arm
D Place the load far from the fulcrum