Civil Engineering Exams (Civil Design) – Flashcard Mode

A weight of 200 lbs is dropped vertically on the middle of a 2 in by 10 in beam, 20 ft long, simply supported at both ends. From what height must be the weight be dropped so as to cause a stress of 2, 000 psi in the beam? E = 1.5 x 10⁶ psi.