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
A Long, Long Way to Tipperary A Long, Long Way to Tipperary It's a Long, Long Way to Tipperary is a 1914 Australian silent film based on the song "It's a Long Way to Tipperary" by Jack Judge. Irish woman Molly Malone is in love with Paddy O'Reilly, who emigrates to England to better himself. He enlists in the British army during World War I and is sent to the front. Another Irishman, Mick, desires Molly and swears vengeance on Paddy. Molly dreams that Paddy and Mick fight but then sees that she is reunited with Paddy. The film was one of several produced by the