In determining the Young's Modulo of a certain beam, a uniform bending method was employed. Shown is the Stress vs Strain graph. Determine the point at which the beam is at its yield strength. (past this point the beam will no longer be elastic and will begin to undergo permanent deformation)
a.2
b.4
c. 5
d. 3
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Answer:
b 2
Explanation
correct me if im wrong