Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 45
hepower P, and the reaction of the fulcrum.Since these are in equilibrium, the re-sultant P and Q must act through r, forotherwise they could not be balanced bythe reaction. Draw cb at right angles toQB and ca to PA produced ; then, ob-serving that Y x ca and Q x cb are themoments of P and Q with… … 28 On Matter^ Force, and Motion [43- Levers are divided into three kinds, according to the position of thefulcrum with respect to the points of application of the power and the weight.In a lever of the first kind i\\& fulcrum is between the power and resistance,as in fig. 19, and as in a poker…
Physics
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