Question

Problem 1) A load, P, is supported by a structure consisting of rigid bar BDF and three identical rods (cross-sectional area, A length, L; and elastic modulus, E), as shown. Load P is offset from the left bar by distance, c. Bars 1 and 2 are separated by distance, a; bars 2 and 3 are separated by distance, b. Symbolically (using the necessary variables) derive the three equations necessary to solve for the forces (Fi, F2, and F3) in the three rods. (40 points) (2) 3)L This problem is indeterminate, and you should approach it as such. All three members will change their length. Or in other words, points B, D, and F all deflect. Draw Free Body Diagram(5 Points) Draw Geometry of Deformation (S Points) Before F, af(a+b) P(c) (5 points) (5 points) (20 points) a) F (ab)- D Eqn. 2 (2M) Eqn.3 Compatiblity E: + df

Answer 1