Lever the power out, and the ratio of output to input force is given by the ratio of the distances from the fulcrum to the points of application of these forces. This is known as the "law of the lever." The mechanical advantage of a lever can be determined by considering the balance of moments or torque, "T", about the fulcrum. where F is the input force to the lever and F is the output force. The distances "a" and "b" are the perpendicular distances between the forces and the fulcrum. Since the moments of torque must be balanced, formula_3 .
Darcy Lever Darcy Lever Darcy Lever is an area of the Metropolitan Borough of Bolton in Greater Manchester, England. Historically part of Lancashire, the area lies on the B6209 (Radcliffe Road), between Bolton and Little Lever. Its history dates to the time of William the Conqueror when it was part of the Salford Hundred given to Roger of Poitou for his participation in the Norman conquest of England. Lever was recorded as Parua Lefre in 1212, from the Latin, parva meaning little and laefre, which is derived from the Old English meaning 'place where the rushes grow'. The name was recorded in