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
Darcy Lever a newsagent, a general store and four public houses, the Lever Bridge Inn, the Volunteer (formerly the Artillery & Volunteer), the Farmer's Arms and the Lever's Arms. The village also features two cricket pitches and borders both Moses Gate Country Park and Leverhulme Park. Darcy Lever also has the steepest public highway in Bolton, Gorses Steps. Through the village and park run the remains of the Manchester Bolton and Bury Canal and the Bolton-Bury/Radcliffe railway line, which had a station which was open between 1848 and 1951. The history and development of Darcy Lever as with its neighbour Little Lever