Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 140
oundto be C(f = 73o lb., de =725 lb., and ea = 200 lb. The application of thegraphical principles ofequilibrium offers no diffi-culties with the exceptionof the two illustrated inthe above examplesfully noted. Notice, also, as a check upon the correctness of a fu-nicular polygon, that any two of… … Fig. 150These should therefore be care- 122 GRAPHICAL STATICS Exercise 180. Assume four forces and find a fifth whollyunknown force necessary to produce equilibrium. Exercise 181. Assume four non-parallel forces and thelines of action of two other forces. Find the magnitudes ofthese forces for…
Mechanics
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