Elements of mechanics: treated by means of the differential and integral calculus (1887)
Peck, William G[uy], 1820-1892. [from old catalog] · New York, Chicago, A. S. Barnes & company · leaf 46
QOP = 134° 47 34 Principle of Moments. 36. The moment of a force, with respect to a point, isthe product obtained by multiplying the intensity of theforce by the perpendicular distance from the point to theline of direction of the force. The fixed point is called the centre of moments ; the… … Let P and Q be any twoforces, and B their resultant;assume any point C, in then-plane, as the centre of moments,and from it, let fall upon the di-rections of the forces, the per-pendiculars, Cp, Cq, and Cr;denote these perpendiculars res-pectively by p, q, and r. Then will Pp, Qq, and Br, bethe…
Mechanics
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