Nystrom, John W. (John William), 1824-1885 · Philadelphia, J.B. Lippincott · leaf 162
164.F = WrrrR RR W = FRRRr rr n : n = rr : R R, v : v = rrrRRR. r rr &C. = radii of the pinions.R RR&C. = radii of the wheels. s-Sp … 165. Let P and Q represent the magnitudes and direc-tions of two forces which act to move the body B.By completing the parallelogram, there will be ob-tained a diagonal force F, whose magnitude and di-rection is equal to the sum P and Q. J7* is calledthe resultant of P and Q.
Mechanical engineering · Engineering
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