For the rigid frame shown in Figure P5-43, determine (1) the nodal displacements and rotations and (2) the shear force and bending moments in each member. Let E = 29 × 106 psi, I = 3100 in.4 for the horizontal members and I = 1100 in.4 for the vertical members. The I values correspond to a W 24 × 104 and a W16 × 77.

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м 7.5 kip - 15 ft 15 kip - 15 ft 15 kip - 15 ft A - 30 ft - 20 ft --30 ft -