Analytical mechanics for students of physics and engineering (1913)
Dadourian, Haroutune Mugurditch. [from old catalog] · New York, D. Van Nostrand company · leaf 56
the moment of the resultantforce about the 2-axis, then RD=F1d1 + F2d2 + • • • +Fndn2Fd or D = (XI) R gives the distance of the line of action of the resultant forcefrom the origin. ILLUSTRATIVE EXAMPLE. Find the resultant of the six forces acting along the sides of the hexa-gon of Fig. 36. Taking… … ... R = V^2 + 3 F2= 2Fand tan d = — V3. Therefore the resultant force hasa magnitude 2 F and makes an angleof —60° with the x-axis. Taking the moments about anaxis through the center of the hexa-gon, we obtain Fig. 36.RD = (2F + 3F + 2F + F + 2F + F)a= 11 Fa,therefore D = 5.5a, where a is the…
Mechanics, Analytic
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