Question: II - Strain ( 2 5 points ) Determine the stress in each section of the bar shown. When subjected to an axial tensile load

-

Strain

(25

points

)

Determine the stress in each section of the bar shown. When subjected to an axial tensile load of

50

.

The central section is

30

mm square cross

-

section; the other portions are of circular section, their diameters being indicated. What will be the total extension of the bar? For the bar material

E = 250

GPa.

II - Strain ( 2 5 points ) Determine the stress

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