A-7.8: A simply supported beam (L = 4.5 m) with rectangular cross section (b = 95 mm, h = 280 mm) supports uniform load q = 25 kN/m. The ratio of the magnitudes of the principal stresses (σ₁/σ2) at a point a = 1.0 m from the left support and distance d 100 mm up from the bottom of the beam is approximately: = (A) 9 (B) 17 (C) 31 (D) 41 a L [h 47 b

A-7.8: A simply supported beam (L = 4.5 m) with rectangular cross section (b = 95 mm, h = 280 mm) supports uniform load q = 25 kN/m. The ratio of the magnitudes of the principal stresses (σ₁/σ2) at a point a = 1.0 m from the left support and distance d 100 mm up from the bottom of the beam is approximately: = (A) 9 (B) 17 (C) 31 (D) 41 a L [h 47 b

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)

Section: Chapter Questions

Problem 8.5.7P: A cylindrical pressure vessel having a radius r = 14 in. and wall thickness t = 0,5 in, is subjected...

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