Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 372
w examine the part performed by friction into investigate the connection with the forces which give motion. We havetrunnion*- seen *aa* the contact of the trunnion with its box is aljjjr a linear element, common to the surfaces of both.A section perpendicular to its length would cut fromthe… … its -weight, would, when at rest, give this tangentialpoint at o, the lowest point of the section poqoi the box.If the trunnion be put in motion by the application of aforce, it would turnaround the point ofcontact and roll in-definitely along thesurface of the box,if the latter werelevel; but this…
Mechanics · Acoustics · Optics
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