Q1/ The rigid pole and cross-arm assembly is supported by the three cables shown. A turnbuckle at D is tightened until it induces a tension T in CD of 1.2 kN. Express T as a vector. Does it make any difference in the result which coordinate system is used? Ans. T = 0.32li + 0.641j – 0.962k kN, 1.5 m /C B 1 m 1.5 m T= 1.2 kN 3 m O1.5 m 3 m 2 m

Q1/ The rigid pole and cross-arm assembly is supported by the three cables shown. A turnbuckle at D is tightened until it induces a tension T in CD of 1.2 kN. Express T as a vector. Does it make any difference in the result which coordinate system is used? Ans. T = 0.32li + 0.641j – 0.962k kN, 1.5 m /C B 1 m 1.5 m T= 1.2 kN 3 m O1.5 m 3 m 2 m

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Q1/ The rigid pole and cross-arm assembly is supported by the three cables shown. A turnbuckle at D is tightened until it induces a tension T in CD of 1.2 kN. Express T as a vector. Does it make any difference in the result which coordinate system is used? Ans. T = 0.321i + 0.641j – 0.962k kN, B/ 1.5 m /C 1.5 m G T= 1.2 kN 3 m 2 m 1,5m 3 m
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