Lever mathematics

Levers have been used for a long time, but Archimedes calculated the math. Archimedes also worked out buoyancy and estimated the value of pi to be 3.142.
 Archimedes Greece 260 BCE Lever mathematics

Levers have been used for a long time, but Archimedes calculated the math. Archimedes also worked out buoyancy and estimated the value of pi to be 3.142.