Question 2A rigid bar of weight W=1,200 N hangs from three equally spaced vertical wires as shown in Figure Q2.The wires also support a concentrated load P acting on the bar. The diameter of the steel wires is 6 mm whilethe diameter of the aluminium wire is 15 mm. Assume the modulus of elasticity of steel and aluminium areE, 200 x 103 N/mm² and Ea = 80 x 103 N/mm² respectively.(a) Set up the equilibrium and compatibility equations for the system shown.[7 marks](b) What load Pallow can be supported at mid-span of the bar if the allowable stress in the steel wire is 210N/mm² and that in the aluminium wires is 70 N/mm². You are expected to show all calculations orchecks for both aluminium and steel wires.[15 marks](c) What will be the change in length of each wire when the load Pallow is acting?[3 marks]A950 mmSAS = Steel250 mm250 mmA Aluminium→WFigure Q2

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Answered: Question 2 A rigid bar of weight…

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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