Introductory course of natural philosophy for the use of schools and academies. Ed. from Ganot's popular physics. By William G. Peck (1869)
Ganot, Adolphe, 1804-1887, Peck, William Guy, 1820-1892 · New York A.S. Barnes · leaf 39
ns of Equilibrium of the Lever. 31. It is demonstrated in Mechanics (Art. 78), that theeffect of a force produced by the aid of a lever increases asits lever arm increases, so that, if the lever arm be doubledor tripled, the effect of the force is always doubled or tripled. What are the Lever Arms…
Physics
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