An elementary treatise on theoretical mechanics (1893)
Ziwet, Alexander, 1853-1928 · New York, London, Macmillan and Co. · leaf 175
other, at a distance c, so that the Une joiningtheir middle points is at right angles to them. Find their mutual attrac-tion, i.e. the force required to keep them apart. (5) Show that the attraction of a homogeneous rod of infinite lengthon a point at the distance / from it, is 2 Kpjp. 270. The… … Fig. 80. parallel to the axis. Fig. 80 represents the cross-section of the cylinderpassing through P. The polar element of area at Q, rdO ■ dr, can beregarded as the cross-section of a filament, whose attraction at P is, byEx. (5), rdrdS , ,„ 2 Kp = 2 KpdrdB. 272] ATTRACTION. 165 Resolving this…
Mechanics, Analytic
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