(b) Determine the 3 internal forces (axial force, shear force, bending moment) in member AB at a point midway between A and B, on a section that is rotated 30 CW from AB. You may neglect any change in length due to the thickness of the members cable 60 lb/ft Roller support 5 ft- 200 lb 800 lb.ft -15 ft- 60 lb/ft C D B 10 ft D 7.5 ft F 7.5 ft Fixed support 10 ft G 10 ft 30 500 lb