Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 139
wn and unknown, and start themagnitude polygon. Fig. 149 (c), using any convenient scale. Proceed to the lineof action of cd, the pointd being undetermined. Assume a pole, 0, anddraw the rays, ao, bo, andCO. Now start the funicularpolygon, Fig. 149 (&), at A,the only known point in theline of… … Fig. 149 (6), and its intersection with cd determines the point d. Close the magnitude polygon by drawing da. Thencd=P = z/\o pounds is the vertical reaction at C and(fo= (J = 110 pounds is the reaction at A in both directionand magnitude. These are the forces which represent the actions of…
Mechanics
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