Asked in Inventions
Who estimated the value of pi and invented the compound pulley?
Archimedes accurately estimated the value of pi. He was also the Greek inventor that created the compound pulley and first device used for extracting water from below the surface of the earth as well. ...
Asked in Inventions, Mathematicians
What did Archimedes invent and in which year?
He invented the Lifting screw -which lifts water up to a higher level, pulley-which makes lifting heavy objects much easier, Golden Crown, as well as the Catapult,the Burning mirror and the lever The arkamedes screw... 1gameboyc's comment, Wrong! I study Archimedes and he did not invent the lever. The lifting screw is known as the Archimedes screw.. it was invented in the 3rd century ...
Asked in Physics, Mechanical Engineering, Pulleys
How is the compound pulley different from a single pulley?
A compound pulley has two pulleys. A Fixed and a Movable. A single pulley just has one pulley. ...