I.C.S. reference library : a series of textbooks prepared for the students of the International Correspondence Schools and containing in permanent form the instruction papers examination questions, and keys used in their various courses (1904)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 219
llelograms,circles, ellipses, etc., according to the shape of the figure;find the area and center of gravity of each part separately,and combine the centers of gravity thus found in the same 42 PRINCIPLES OF MECHANICS. §4 manner as in rule 11, in this case, however, dealing withthe area of each… … Fig. 14. find the position of the center of gravity of an irregularsolid, as the crank, Fig. 14, suspend it at some point, as j5,so that it will move freely. Drop a plumb-line from thepoint of suspension, and m_ark its direction. Suspendthe body at another point, as A^ and repeat the process.The…
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