Lever resistance (or load). It is common to call the input force "the effort" and the output force "the load" or "the resistance." This allows the identification of three classes of levers by the relative locations of the fulcrum, the resistance and the effort: These cases are described by the mnemonic "fre 123" where the fulcrum is in the middle for the 1st class lever, the "r"esistance is in the middle for the 2nd class lever, and the effort is in the middle for the 3rd class lever. The lever is a movable bar that pivots on a fulcrum attached to
Harold Lever, Baron Lever of Manchester 1995, aged 81. His policy was adopted by the G7 in 2005, a decade after his death. Harold Lever, Baron Lever of Manchester Norman Harold Lever, Baron Lever of Manchester, PC (15 January 1914 – 6 August 1995) was a British barrister and Labour Party politician. He was born in Manchester, the son of a textile merchant from Lithuania, he was educated at Manchester Grammar School and Manchester University. He was called to the Bar of the Middle Temple in 1935. During World War II he served in the Royal Air Force. His brother was Leslie Lever, Baron Lever. Lever