Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 244
B)Figure 244, a weight (IV), a force (F), and a pivot (P). Wrepresents the forceovercome, which isoften the weight ofan object being lifted;F represents the forceapplied; whileP is thepoint about which thebar turns. The distance (a) from the force to the pivot is calledthe force-arm. The distance… … Figure 244.—The Lever. 234 MACHINES
Physics
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