Lever a place to stand, and I shall move the Earth with it' is a remark of Archimedes who formally stated the correct mathematical principle of levers (quoted by Pappus of Alexandria). It is assumed that in ancient Egypt, constructors used the lever to move and uplift obelisks weighing more than 100 tons. A lever is a beam connected to ground by a hinge, or pivot, called a fulcrum. The ideal lever does not dissipate or store energy, which means there is no friction in the hinge or bending in the beam. In this case, the power into the lever equals
Great Lever Great Lever Great Lever is mainly a residential suburb of Bolton in Greater Manchester, England. Historically within Lancashire, it is about south of Bolton town centre and the same distance north of Farnworth. Great Lever has many shops and services serving the local community including a post office, butcher's, chemist and a GP surgery. The district has several nursing homes and is served by frequent bus routes running to Bolton town centre, Farnworth and the Royal Bolton Hospital. The ward population taken at the 2011 census was 14,467. The parish church is St. Michael (with St Bartholomew). Currently under renovation