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
Colin Lever Colin Lever Colin Lever (born 4 August 1939) is a former English cricketer. Lever was a right-handed batsman who bowled right-arm medium pace. He was born in Todmorden, Yorkshire. Lever made his debut for Buckinghamshire in the 1962 Minor Counties Championship against Oxfordshire. He played Minor counties cricket for Buckinghamshire from 1962 to 1978, which included 91 Minor Counties Championship matches. In 1965, he made his List A debut against Middlesex in the Gillette Cup. He played seven further List A matches for Buckinghamshire, the last coming against Middlesex in the 1975 Gillette Cup. In these eight matches, he scored