GATE ME 2015 Set 1 — Question 26
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Engineering Mechanics → Statics → Trusses (Joints & Sections)
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Question
Two identical trusses support a load of as shown in the figure. The length of each truss is ; cross-sectional area is ; Young's modulus . The force in the truss AB (in N) is ________.

Correct answer
100 to 100
Solution
Consider the equilibrium of joint B. Let and be the forces in members AB and BC respectively. Resolving forces vertically:Due to symmetry, ..
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