Analytical mechanics for students of physics and engineering (1913)
Dadourian, Haroutune Mugurditch. [from old catalog] · New York, D. Van Nostrand company · leaf 17
Fig. 10. a= az+ ay+ a3. (IV) ax= a cos a\ ay= a cos a2 (V) az= a cos a3 a = Va^+V + a,2, (VI) where en, a2, and «3 are the angles a makes with the coordi-nate axes. 14. Resultant of Any Number of Vectors. Graphical Methods.— The resultant of a number of vectors a, b, c, etc., may beobtained by… … Fig. 11. move c until its origin falls on the terminus of b, and so onuntil all the vectors are joined. This gives, in general, anopen polygon. Then the resultantis obtained by drawing a vectorwhich closes the polygon and whichhas its origin at the origin of a.The validity of this method will…
Mechanics, Analytic
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