1 m 2 m Ꮓ 50 kN y B 4 m W C 5 m ✗ 3 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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Question
A mass of weight, W, is supported by cables AD, BD, and CD. A force of 50 kN is applied in the z-direction at point D. The resulting tension in cable AD is 100 kN. Each of the cables is 2.0 cm in diameter and made of steel with the following characteristics: E = 200 GPa, G = 77 GPa, n = 0.30, sigma y = 500 MPa. If the weight is in equilibrium, answer the following:
a. What is the tension in cables BD and CD? What is the weight, W?
b. What is the factor of safety against yielding in Cable AD?
c. What is the change in diameter in Cable AD due to the loading?
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