A block with a weight W hangs from a pin at A. Support bars AB and AC are pinned to the support at B and C. Bar AB has a cross-sectional area of 750mm2 and 500mm2 for bar AC. Neglecting the weights of the bars, determine the maximum safe value of W if the stress in bar AB is limited to 100MPa and that in bar AC to 125MPa.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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MECHANICS OF DEFORMABLE BODIES. UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS LEGIBLY. NO LONG EXPLANATION NEEDED. A block with a weight W hangs from a pin at A. Support bars AB and AC are pinned to the support at B and C. Bar AB has a cross-sectional area of 750mm2 and 500mm2 for bar AC. Neglecting the weights of the bars, determine the maximum safe value of W if the stress in bar AB is limited to 100MPa and that in bar AC to 125MPa.
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