Applied mechanics, embracing strength and elasticity of materials, theory and design of structures, theory of machines and hydraulics; a text-book for engineering students (1909)
Low, David Allan, 1857-1937, Salmon, E. H. (Ernest Hinkly), b. 1879 · London, New York, Longmans, Green · leaf 37
oggle joint (Fig. 25) the ratio of thedisplacement of P to that of W will be different for different positionsof the parts of the machine. In a machine in which the displacement of the driving point bears aconstant ratio to the displacement of the working point, this ratio (ajit)is called the… … WORK AND ENERGY 27 displacement of the working point when these displacements are in-definitely small. The ratio of W to P is called the /nechanical advantage of themachine. In all machines a certain amount of work is wasted in overcomingfriction, and the result is that Pa, the work done by the…
Mechanics, Applied
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