A textbook on mechanical and electrical engineering (1898)
International Correspondence Schools · Scranton : International Textbook Co., [1898-99] · leaf 367
Fig. 145. 937. A movable pulley is one whose block is movable,as in Fig. 148. One end of the cord is fastened to the beam,and the weight is suspended from the pulley, the other endof the cord being drawn up by the appncation of a force P.A little consideration will show that if /moves through…
Electrical engineering · Mechanical engineering
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