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  3. p5 members ab and bc of the truss shown are...

Question: p5 members ab and bc of the truss shown are...

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P5) Members AB and BC of the truss shown are made of the same alloy. The applied load at B is 28 kN. It is known that a 20-mm-square bar of the same alloy was tested to failure and that an ultimate load of 120 kN was recorded. If bar AB has a cross-sectional area of 225 mm2, determine (a) the factor of safety for bar AB and (b) the cross-sectional area of bar AC if it is to have the same factor of safety as bar AB. 0.75 m- 0.4 m 1.4 m
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