Question

A pole is held by three separate cables. Knowing that a=lm, that the tension in cable DE is 500N and that the pole has a mass of 10kg applied at D, determine; est adres ma ions a) The reactions at the BALL-AND-SOCKET support O. b) The tension in cable DC and BA. GHTEDATE rotect by permission to re clarificati UNIVEL arge? clarifice UNIV ans 4a B. D PAR 20a A COPYRIGHTS 12á VERS E TAL с 90 18á 15a N X

Answer 1

EMO = 0 VoBXTBA + Root Poct Root POE + moox mg = 0 To-ordinate of 010,0,0), A(0,9-16), B[0,24,0], C15,0,0) D[0, 20,0) E(-9,0, 42) TBA = BA= (0-0) + (0-24)j + (-48 -0) Ê = -243-98 PBA = TBA = -243 - 18% J 242 +182 TBI - BA ) - TBA (-0.83 -0.6 h) Toc DE Tocos (0-0) ) (15 -o) ê + (0-20) j + * 152 – 20j Toca 15i-zoj Tococoobê - 0.8%) 152 + 202 Poc DE TDEC DE My oth = TDE OB (-9-0) 8 + (0-20)j + (12-o] ☆ --9-20j + wi 500x (-92-20j +Iak) - 1801 - 400g + 340 R+202 + 12² 7 - 30x9.813 98.1 j 2244 Do = 20$ 24jx ( Tea (-0.83 -0.6ße)) + bojx Toc m1062-0.8;) + 20% * (-480 € -400j + 240k) + LojX(-98.35) - ++TBA -2kToc +4800+360o 2 =0 an x dion -14.4 TBA + 4800 =D In dirn - 12 Toc t 3600 = 300 N =0 ITBA 333.33 No IT oc

a E F = 0) co Rot TBA +7oct PoE +²=0 Rp + $53.33(-0.83 -0.6) + 300(0.63 -0.8j) + [-i80 3-400j +quo Ã] - 9801j Ro +(-266.664)ý – 199.998 e + 180€ -2403 -1808-400; +2402 -9803j = 0 Ro- 1.004.764, +40ť = 0 RO = 100407649 +40k b TBA = 333.ZIN Toc = grow.