Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 363
which the angle at 0 is very small, we may regard the frictions on these elements as parallel to each other, and perpendicular to the radius 0 0, which bisects the angle A OB; in virtue of their parallelism, their resultant will be equal to their sum; and, because of their equality on equal… … MECHANICS OF SOLIDS. ^59 the equal sides, and perpendicular drawn to the base fromthe vertex G, will be sensibly equal to each other and toR, the radius GA of the circle: whence the distance ofthe resultant friction on the sector from the centre 0 willbe f R. Substituting the small sector for a,…
Mechanics · Acoustics · Optics
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