Lever - Wikipedia, the free encyclopedia For other uses, see Lever (disambiguation) ... A lever is one of the six simple machines. Archimedes once said, "Give me a lever long enough and a fulcrum on which to ... en.wikipedia.org
lever: Definition from Answers.com (Click to enlarge) lever first-class, second-class, and third-class levers (Precision Graphics) lever n ... early people used the lever in some form, for moving ... www.answers.com