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
Rob Lever having signed a one-year contract with the newly promoted Championship club. Lever has resigned to continue into the 2017 season. Rob Lever Rob Lever is an English rugby league footballer who plays for the Swinton Lions in the Championship. His playing position is Loose Forward. Lever played for Wigan at Under-19s level and was young player of the year in 2013 but failed to break into the club's first team set up. Lever made 3 appearances for England Academy playing Loose forward He was dual registered with Workington Town in the Championship and played four times for the club. Lever