According to the elasticity modulus of the material from which the cross-section is made, whose dimensions are given in the figure, E = 200 GPa and the effective bending moment M = 50 kNm;
a) Draw the normal stress distribution in the cross section.
b) Unit strain rate εz at point A calculate.
Extracted text: 30сm 30сm 30ст 30ст 50 kNm 60сm 20ст