Question
4-23. The rod has a slight taper and length L. It is suspended from the ceiling and supports a load P at its end.Show that the displacement of its end due to this load is \delta=P L /\left(\pi E r_{2} r_{1}\right) Neglect the weight of the material. The modulus of elasticity is E.
Question image 1Question image 2Question image 3Question image 4