A Steel Plane Truss Is Loaded at B and C $\text { is } A = 3970 \mathrm {~mm} ^ { 2 }$

question 1

Multiple Choice

A steel plane truss is loaded at B and C by forces P =200 kN. The cross-sectional area of each member $\text { is } A = 3970 \mathrm {~mm} ^ { 2 }$ . Truss dimensions are H=3 m and L = 4 m. The maximum shear stress in bar AB is approx- imately:

• A) \(27 \mathrm { MPa }\)
• B) \(33 \mathrm { MPa }\)
• C) \(50 \mathrm { MPa }\)
• D) \(69 \mathrm { MPa }\)

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