Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 111
unds and the pull on each point of sup-port in the combination of pulleys shown in Fig. 104, if the 92 ANALYTICAL STATICS movable pulleys weigh 5 pounds each and the fixed puUeys 3pounds each. The Differential Wheel and Axle.—This machine isshown in Fig. 105. It is similar to the wheel and axle,but… … IIG. 105 Fig. 107 Fig. 108 An end view of the machine is shown in Fig. 106, andthe forces acting on the separate parts in Figs. 107 and108, where T represents the tension in the rope. Taking moments about C, Fig. 107, we have IM = Pa+Tr-TR = o.From Fig. 108, IY = 2T-W = o] .: T= W Thus,…
Mechanics
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