Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 397
the resistance Q. The pulley may turn either upon trun-nions or about an axle, supported in what is called a MECHANICS OF SOLIDS. 393 block. This is usually a solid piece of wood, through block; which is cut an opening large enough to receive the pulley, and allow it to turn freely between its…
Mechanics · Acoustics · Optics
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