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
John Lever John Lever John Kenneth Lever MBE (born 24 February 1949) is an English former international cricketer who played Test and One-Day cricket for England. Lever was a left-arm fast-medium bowler who predominantly swung the ball into right-handed batsmen. Cricket correspondent Colin Bateman remarked that "for 23 years he plied his trade with Essex, becoming the finest left-arm pace bowler in the country. Tough, astute, and entertaining in the dressing room, Lever was, as the title of his autobiography suggests, "A Cricketer's Cricketer"". Lever is sometimes unfairly remembered for the Vaseline incident during his debut tour of India in 1976. It