Lever Lever A lever ( or ) is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. A lever is a rigid body capable of rotating on a point on itself. On the basis of the location of fulcrum, load and effort, the lever is divided into three types. It is one of the six simple machines identified by Renaissance scientists. A lever amplifies an input force to provide a greater output force, which is said to provide leverage. The ratio of the output force to the input force is the mechanical advantage
Little Lever Little Lever Little Lever is a large village within the Metropolitan Borough of Bolton in Greater Manchester, England. Historically in Lancashire, it is southeast of Bolton, west of Radcliffe and west-southwest of Bury. During the 19th century the population was employed in cotton mills, paper mills, bleach works, terracotta works, a rope works and in numerous collieries. Lever is derived from the Old English "laefre", which means place where the rushes grow. The township was recorded as Parua Lefre in 1212, from the Latin, "parva" meaning little. The name was recorded in several ways, Lethre in 1221, Leuere in 1278,