A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 171
ing a point a onthe line of the force AB, and drawing ab and be parallel to OB and OCrespectively in Fig. 167 (6). From a draw of parallel to OA, and fromc draw c/parallel to OD ; these lines intersect at/, and the resultant forcerepresented by DA must pass through /. Now this force is the… … •0 bar (fa is al T illsola portat t. (b) Fig. 167.—Equilibrium of a rigid frame. The force polygon in Fig. 167 (b) may be closed now by drawing DEparallel to the lino A and AE parallel to the line/5. DE and EA givecompletely the forces acting at joints 4 and 5 respectively. The forces in the bars…
Physics
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