Maurer, Edward R. (Edward Rose), b. 1869 · New York : John Wiley & sons, inc.; [etc., etc.] · leaf 232
ke in size but are here representedunlike for clearness. Let P = the applied pull and W = load. Pi, P2, P?.and P4 = the tensions as indicated in Fig. 348. When the tackle is used forlifting. Pi = P/K, P2 = Pi/K = P/K\ P3 = PoJK = P/X^ and P4 =P3/K = P/K\ And since PF = Pi -^ P2 + P3 + P4, we have… … w///jum> ■w////(////M. Fig. 347And since
Mechanics
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