Question: A 20-ft-tall post is used to support advertisement signs, at various locations along its height, as shown in the accompanying figure. The post is made of structural steel with a modulus of elasticity of E = 29 x 106Ib/in2.Not considering wind loading on the signs,
(a) determine dis-placements of the post at the points of load application and
(b) determine stresses in the post.