A steel plane truss is loaded at B and C by forces P = 200 kN. The cross-sectional area of each member is A = 3970 mm 2 . Truss dimensions are H = 3 m and L = 4 m. The maximum shear stress in bar AB...

A steel plane truss is loaded at B and C by forces P = 200 kN. The cross-sectional area of each member is A = 3970 mm². Truss dimensions are H = 3 m and L = 4 m. The maximum shear stress in bar AB is approximately:

(A) 27 MPa

(B) 33 MPa