Question

Vector Addition. For the 3 vectors depicted below, find: ,05 30P [Click on graph to enlarge] a. The r and y components of A. b. The z and y components of B By- c. The r and y components of C EEI Cy d. The r and y componets of R-AB+C. e. The magnitude and direction of R = A + B C. Express your answer for Direction such that the absolute value is between 0 and 180 degrees e g if the answer is 200 degrees, express it as -160) Magnitude R її, , Direction

Answer 1

© 6 Ār = 105 COS 30° - 90.93 Āy = 105 sin 30 = 52.5 Br=-75 sin 40° = – 48.21 By = 75 cos 40º = 57.45 Ex = 55 cos 45' - 38.89 y = - 55 sin 45 = -38.89 Řr = 90.93 -48.21 + 38.89 = 81.61 Ky = 52.5 +57.45-38.89 = 71.06 © @ © 108.213 IRI Magnitude R = 181.612 + 71.052 Direction o- tan" (71.00) 41.05