Problems (Show all steps and indicate proper units for full marks) - 10 marks each. 1. For the following truss, there is a downwards force of 600lbs at joint B, and a sideways force of joint D (as shown), and the angle 0 at joint C is zero (so C is resting on a horizontal surface). A) Determine and state the forces experienced at joints A & C. B) Determine the forces on each member of the truss and summarize these in an "A statement at the bottom of the page. 6 ft A 8 ft 400 lbs CD 6ft 0=0 B 600 lbs 8 ft + cc -