Mechanics and heat; a text book for collleges and technical schools (1916)
Franklin, William S. (William Suddards), 1863-1930, Macnutt, Barry, 1878-1936, [from old catalog] joint author · New York, The Macmillan company; London, Macmillan & co., ltd. · leaf 166
2Arn — 2dZr cos 6- Am (iii) but Sr2 . Am is equal to K, and 2Zd2Am is equal to d2M. Fur-thermore 2> cos 6 . Am is equal to Xx . Am, which is equal tozero according to equation (22) since the origin of coordinatesis chosen at the center of mass of the body. Therefore equation(iii) reduces to… … Fig. 57a. in the figure, then a backward force G will be exerted on thewheel and axle by the string, and the net unbalanced force whichis producing forward acceleration of the wheel will be F — G.The same conditions exist when a wheel is set rolling along a 152 ELEMENTS OF MECHANICS. track, that is…
Mechanics · Heat
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