Analytical mechanics, comprising the kinetics and statics of solids and fluids (1911)
Barton, Edwin Henry · London, Longmans · leaf 417
gon would not be closed. 1 But to make tfie resultant couple zero it must be closed; that is, U 396 ANALYTICAL MECHANICS [art. 400 and V must meet in the same point K on the line of action of thereversed R. Thus the formal graphical conditions for equilibrium of a rigid bodyor system under coplanar… … Fig. 190, Coplanar Forces, Reactions, and Funicular Polygon. 400. Reactions determinedby Funicular or Link Polygon.—We have seen that the singleresultant of a system of coplanarforces may be completely deter-mined by the use of the funicu-lar polygon, and that the equi-librium of a rigid body…
Mechanics
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