Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 238
quilibrium for this kind of asystem (see Art. 35) to determine the reactions. If we choose touse the first set we find, 192 STATICS 59 resolving forces along a horizontal line, -R/ + 3,100 cos 55° + 6,200 cos 55° + 3,100 cos 55° = 0;resolvincr forces alongp a vertical line, + R; + R, - 3,100 cos… … Fig. 35. and from the third, 6,200 X 12.2 + 3,100 X 24.4 R., 40 3,782 pounds. Substituting this value of R3 in the second equation we find that R, =3,100 cos 35° + 6,200 cos 35° + 3,100 co3 35°- 3,782 = 10,156 - 3,782 = 6,374 pounds. If desired, the reaction Rj can now be found by compoundingits…
Architecture · Building
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