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
Leslie Lever, Baron Lever they lost. His younger sister and three younger brothers were all lawyers. His brother Harold was also a Member of Parliament. He served as Lord Mayor of Manchester (1957–58), attending 2,700 official engagements. His political career both as a councillor and M.P., representing inner city slum areas. He was knighted by Popes John XXIII and Paul VI, as well as by the Queen in 1970 for his philanthropic work. He died in Manchester in 1977, aged 72. Leslie Lever, Baron Lever Leslie Maurice Lever, Baron Lever, GCSG (29 April 1905 – 26 July 1977) was a British Labour politician. He