Analytical mechanics for students of physics and engineering (1913)
Dadourian, Haroutune Mugurditch. [from old catalog] · New York, D. Van Nostrand company · leaf 16
Fig. 9. * The symbol = will be used to denote approximate equality. There-fore = should be read equals approximately, or equals about, orequals nearly. See p. ADDITION AND RESOLUTION OF VECTORS a — Six i 3-j/? ax= a cos 0, «7V tan 0 = (IV) (V) (VI) (VII) When a has components along all three axes… … 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…
Mechanics, Analytic
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