An elementary treatise on mechanics, embracing the theory of statics and dynamics, and its applications to solids and fluids (1868)
Smith, Augustus W. (Augustus William), 1802-1866 · New York : Harper · leaf 151
ting, we findW. (sin. a—\i cos. a)cos. e—fj, sin. eNo motion will take place while the value of P is betweenthese two, which are its limits. These two values of P may be combined so as to take theform W cos. e±jj, sin. eP sin. a±ju cos. ain which the upper sign is to be taken when friction acts… … Proceeding as \nArt.173, let ABC be theinclined plane formedby unwrapping onerevolution of thethread, the angle BAC=a ; let W= thewhole weight sustain-ed by the screw, w=that part of it support-ed at a, Q= the wholeforce acting at the cir-cumference of the cyl-inder, r=ED the radius of the…
Mechanics, Analytic
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