Question

(1 point) Difficulty (4/5) HOW U EC THEM DOGS? 2013 C@SO Michael Swanbom BY NC SA A truss structure is used to hang signs at an entrance to a stadium. The locations of the centers of gravity of the signs are given by dimensions c and d. Find the forces and stresses carried in the members indicated in the table below, as well as the changes in length of those members. Dimensions, weights, and cross-sectional areas are given below. The members of the truss are composed of 2014 T4 aluminum. Neglect self-weight of the truss. Left Right a b d Sign Sign Weight Weight 90 lb 15 in 24 in 4.2ft5 ft 114 lb Reactions:

Answer 1