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
Leslie Lever, Baron Lever Leslie Lever, Baron Lever Leslie Maurice Lever, Baron Lever, GCSG (29 April 1905 – 26 July 1977) was a British Labour politician. He was Member of Parliament for Manchester Ardwick from 1950 to 1970, when he retired. Subsequently, he was given a life peerage as Baron Lever, of Ardwick in the City of Manchester on 10 July 1975. He was educated at Manchester Grammar School and read Law at Leeds University. He was a solicitor and poor man's lawyer between 1928 and the advent of Legal Aid in 1948, funding his impecunious clients' cases out of his own pocket if