We're talking about mechanical advantage—more specifically, about one of the most basic of all machines that makes use of mechanical advantage: the lever. Levers are everywhere. The light switch ...
Levers can be joined together to form linkages ... fixed pivots moving pivots Fixed pivots are held tightly in place, meaning that they move at one point only. Moving pivots move more freely ...
Lever-action rifles are turning up by the scores in used-gun racks, their wooden stocks battered and once-blued steel worn silver. The grandfathers who used them are afield in happier hunting ...
Lindsay from Darcy Lever underwent staged chemotherapy treatment at 30 ... But having a couple of relatives diagnosed with the disease doesn’t mean there is a cancer gene fault running in the family. ...