An introduction to projective geometry and its applications; an analytic and synthetic treatment (1905)
Emch, Arnold, b. 1871 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 234
olygon, and is also the resultant APPLICATIONS IN MECHANICS. , 2 21 of these two extreme forces, with (o) reversed. Hence, whenthe system is in equihbrium, the forces (o) and (0123 . . . n)must coincide. Hence the theorem: A funicular polygon of a system of coplanar forces in equilibriumis a closed… … FiG. 93&. Fig. 93a. section of i and 3 in (b) draw a line parallel to o in (a); through 1 and 2 one parallel to ci in (a). These two lines intersect eachother in a point O. Now connect O wdth the intersection of 2 and 3. Thus three forces OA, OB, OC are obtained, andif O is assumed as a pole…
Geometry, Projective · Geometry, Analytic
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