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
Little Lever only large house in the village which contained 9 hearths. The manor house, Little Lever Hall, built of wood and plaster was destroyed in the 18th century. It was a seat of the Levers in 1567 and after that the Andrews who inherited the Lever's estate in Rivington. There is a record of a coal pit in 1320. Records show there were fulling-mills in Little Lever before 1559. The holding of Adam Byrom of Salford who died in 1559 was described as "an estate of eight messuages, a moiety of two fulling-mills etc., in Little Lever", his three-year-old grandson Ralph,