GATE CE 2021 Set 1 — Question 48

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NAT+2 / -0MediumTrusses (Joints & Sections)Determinate Structures & Energy MethodsStructural EngineeringSimple Stress & StrainStress, Strain & Beams

Structural Engineering → Determinate Structures & Energy Methods → Simple Stress & Strain

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Question

Refer the truss as shown in the figure (not to scale).
A truss with joints P, Q, R, S, T. A downward load F is applied at joint T. Supports are at P and S. Member properties E, A and E, 2A are indicated.
If load, F=103F = 10\sqrt{3} kN, moment of inertia, I=8.33×106I = 8.33 \times 10^6 mm4^4, area of cross-section, A=104A = 10^4 mm2^2, and length, L=2L = 2 m for all the members of the truss, the compressive stress (in kN/m2^2, in integer) carried by the member Q-R is __________
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