Lever fulcrum to where the output force is applied (point "B"), then the lever amplifies the input force. On the other hand, if the distance "a" from the fulcrum to the input force is less than the distance "b" from the fulcrum to the output force, then the lever reduces the input force. The use of velocity in the static analysis of a lever is an application of the principle of virtual work. A lever is modeled as a rigid bar connected to a ground frame by a hinged joint called a fulcrum. The lever is operated by applying an input
Darcy Lever that Levers daughter had inherited them and thus they passed to her husband John Bradshaw. However the land came to them, the family estate grew and today they continue to hold large parts of the Bolton area. At this time, 1666, Robert Lever had eight hearths liable to tax, James Bradshaw and John Crompton had seven each and Lawrence Fogg six. The rest of the township was made up of 12 more heaths. The land-tax return of 1786 shows that James Bradshaw and John Peploe Birch were the chief proprietors of Darcy Lever, between them they paid about half the