Lever a place to stand, and I shall move the Earth with it' is a remark of Archimedes who formally stated the correct mathematical principle of levers (quoted by Pappus of Alexandria). It is assumed that in ancient Egypt, constructors used the lever to move and uplift obelisks weighing more than 100 tons. A lever is a beam connected to ground by a hinge, or pivot, called a fulcrum. The ideal lever does not dissipate or store energy, which means there is no friction in the hinge or bending in the beam. In this case, the power into the lever equals
Don Lever Don Lever Donald Richard "Cleaver" Lever (born November 14, 1952) is a Canadian retired professional ice hockey left winger who played 15 seasons in the National Hockey League from 1972–73 until 1986–87. Lever was drafted 3rd overall by the Vancouver Canucks in the 1972 NHL Amateur Draft. The forward reached the 20-goal mark six times in Vancouver and played for Canada at the 1978 World Championships. Lever was traded to the Atlanta Flames alongside Brad Smith in exchange for Ivan Boldirev and Darcy Rota on February 8, 1980. He was later the first captain of the New Jersey Devils. Lever