A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 83
us the angular velocities of the pulleys are inversely propor-tional to the radii, or the diameters of the pulleys. The arrangement shown in Fig. 57 enables a larger angularvelocity ratio to be obtained. A drives B, and another pulley C, fixed 58 DYNAMICS CHAP. to the same shaft as B, drives D ;… … Fig. 57.—A belt pulley arrangement. Hence the rule : the angular velocity ratio of the first and lastpulleys is given by the product of the radii, or diameters, of thedriven pulleys divided by the product of the radii, or diameters, ofthe driving pulleys. Toothed wheels (Fig. 58) are used in cases…
Physics
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