A cross section of the original design for the double-decker skyways in the Kansas City...

A cross section of the original design for the double-decker skyways in the Kansas City Hyatt Regency hotel is shown, along with the forces acting on the nuts and washers that support the upper and lower walkways (Figure P4.24).

(a) Draw free body diagrams of the upper and lower walkways, including the weight w that acts on each.

(b) Determine the forces P₁ and P₂ between the washers and the walkways, and the tensions T₁ and T₂ in the hanger rod.