(Solved): A polystyrene rod of length 12 in. and diameter 0.5 in. is subjected to an 800-lb
tensile load. Know ...
A polystyrene rod of length 12 in. and diameter 0.5 in. is subjected to an 800-lb
tensile load. Knowing that E = 0.45×10 6 psi, determine (a) the elongation of the rod, (b)
the normal stress in the rod.