고체역학 (Beer) — Analysis and Design of Beams for Bending: Problem 5.49

5.49 Using the method of Sec. 5.2, solve Prob. 5.20. 5.20 For the beam and loading shown, determine the maximum normal stress due to bending on a transverse section at C. From Fig. P5.20: - Beam: W16 × 77 - Supports: Pin at A, Roller at B - Loads:     - Concentrated load at C: 25 kips     - Concentrated load at D: 25 kips     - Uniformly distributed load from E to B: \(w = 5 \text{ kips/ft}\) - Dimensions: \(AC = 2.5 \text{ ft}\), \(CD = 2.5 \text{ ft}\), \(DE = 2.5 \text{ ft}\), \(EB = 7.5 \text{ ft}\)