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When did Archimedes invent the lever& pulley system?

April 26, 2017Archimedes invent physical Physics pulley sciences system

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When did Archimedes invent the lever& pulley system?

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In the 3rd century B.C. Archimedes invented the pulley system and discovered principles that underlie the operation of the lever. According to Plutarch, the invention took place long before 213 BC. The exact date is not known. According to the Archimedes Project, educated guesses are 230 B.C.