Snow, Benjamin Warner, 1860- · Madison, Wis. · leaf 138
cords supporting the weight. IMore-over, if one end of the cord is fastened to thefixed pulleys of the system, as in the figure,the weight lifted is 2n times the force applied,where n is the number of movable pulleys,while the distance through which the weight is lifted is only 1 2)1 of the… … Fig. 79. The com-pound pulley. energy consumedto the w^ork done or Force X distance through which the force moves = weight X distance through which the weight moves, Force _ distance through which the weight movesWeight distance through wliicli tlie force moves The force and the weight, therefore,…
Physics
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