The four forces shown are applied to a rigid plate supported by a solid steel post of radius a. Knowing that P = 24 kips and α = 1.6 in., determine the maximum stress in the post when
(a) the force at D is removed,
(b) the forces at C and D are removed.
![1229_b73581b0-003a-4b8f-bcdf-5d663792a0ab.png](https://secure.tutorsglobe.com/CMSImages/1229_b73581b0-003a-4b8f-bcdf-5d663792a0ab.png)