An elementary treatise on analytic mechanics : With numerous examples (1912)
Bowser, Edward A. (Edward Albert), 1845-1910 · New York : D. Van Nostrand · leaf 209
consists of twocylinders of radii b and b; the ropeis wound round the former in onedirection, and after passing under amovable pulley to which the weightis attached, is wound round the latter in the opposite direc-tion, so that as the power, P, which is applied as before,tangentially to the wheel… … Fig. 60 192 TOOTHED WHEELS. are each equal to \ W. Hence, taking moments round thicentre of the trunnion, c, we have Pa + ^Wb -iWb = 0;•. Pa = iW (b - V), (3) hence by making the difference, b — b\ small, the powercan be made as small as we please to lift a given weight.Let the wheel turn through…
Mechanics, Analytic
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