Hale, Joseph W. L. (Joseph Woodwell Ledwidge), 1886- · New York [etc.] McGraw-Hill book company · leaf 64
///////////// F-iei ^ … F-/2S Fig. 71. Fig. 72. W--500Fig. 73. equal to one-half of the weight neglecting friction ofthe rope and pulleys. When the force F is exertedthrough a distance of 2 ft., the weight is lifted 1 ft. Aforce of 50 lb. at F will raise a weight of 100 lb. at TF.The friction of the rope on the pulleys…
Mechanics, Applied
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