A bar of length = 1 has stiffness function c(x) = I -F x. Find and

Question:

A bar of length γ = 1 has stiffness function c(x) = I -F x. Find and graph the displacement, stress and strain when the bar is subjected to a unit gravitational force, assuming there is no displacement at the ends. Which point moves the farthest? Where is the bar most likely to break?