By: Evan Sokolson.  Original block and tackle pulley.

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Presentation transcript:

By: Evan Sokolson

 Original block and tackle pulley

 Modern day block & tackle pulley

 Motion because of weight on rope  Elastic because of rope pulling up object  Gravitational if you would set object down

 Archimedes invented the block & tackle pulley  Pulleys helped lift heavy objects like cinderblocks & spaceships

  d+tackle+pulley d+tackle+pulley