Analytical mechanics for students of physics and engineering (1913)
Dadourian, Haroutune Mugurditch. [from old catalog] · New York, D. Van Nostrand company · leaf 15
ANALYTICAL MECHANICS c2 = o2 -f- b2 + 2 ab cos 0 = (10cm.)2+(10cm.)2+2xl0cm.Xl0cm.cos(60°) = 300 cm.2c = 10 \/3 cm. = 17.3 cm.*6 sin0 tan0 a-\-b cos </> 10 cm. sin (60°)10 cm. + 10 cm. cos (60°)= |V3.0 = 30°. , « Therefore the resultant displacement is about 17.3 cm. along the direction N.… … Fig. 8. PROBLEMS. 1. A vector which points towards the East has a length of 16 cm., andanother vector which points towards the Southeast is 25 cm. long. Findthe direction and the magnitude of their sum. 2. Find the direction and the magnitude of the difference of thevectors of the last problem. 3.…
Mechanics, Analytic
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