P1: The ½ inch diameter rod CE and the 4 inch diameter rod DF are attached to the rigid bar ABCD as shown. Knowing that the rods are made of aluminum (E = 10.1 x 10 psi), determine: (a) the force in each rod caused by the loading shown (b) the corresponding deflection of point A 18 in.- B 12 in. 8 in. CAA D 10 kips 24 in. E F 30 in.