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
Lawrence Lever Lawrence Lever Lawrence Lever is a journalist and entrepreneur, best known for his work investigating The Barlow Clowes Affair. Lawrence Lever was educated at Manchester Grammar School, and went on to study Law at Brasenose College in Oxford University. After earning his degree, he decided not to pursue law, but instead chose a career in journalism. Lever joined The Times in 1985 although he originally began his career as a trained and qualified solicitor. In the 1990s he changed his career towards journalism. Lever was notable for his work in the publication of an investigative journalism piece about Barlow Clowes.