Question

 When were pulleys invented?

Answer Like many ancient machines, no one knows exactly when pulleys were invented or by whom. Archimedes, who lived from 287 B.C. to c. 212 B.C., may have been the inventor of the first block and tackle... Read More »
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Top Q&A For: When were pulleys invented

Where were pulleys invented?

Pulleys, a type of simple machine that people use to move objects upward, were likely invented in Mesopotamia, according to an article by Odis Griffin Jr. for the Microsoft Encarta Encyclopedia. In... Read More »
http://www.answerbag.com/q_view/2027545

When was the system of levers&pulleys invented?

The famous Greek mathematician and inventor Archimedes, discovered the laws of levers and pulleys in the third century B.C. He once said, "Give me a lever long enough and a place to stand, and I wi... Read More »
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Who invented pulleys?

Archimedes, the famous Greek mathematician, engineer, physicist, and astronomer, invented the pulley. He made many contributions to the field of math and science, including discovering the lever an... Read More »
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When were cell phones invented&who were they made by?

Martin Cooper invented the cell phone in 1973, and Motorola was its maker. The phone was much bigger and heavier than today's models. Called the DynaTAC, the phone did not go one sale until 10 year... Read More »
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