The three cross-sections shown in Figure A12 have the same cross-sectiona area and are subjected to the same bending moment about their horizontal axis of symmetry. Section (a) is a square section. Sections (b) and (c) are composed of two rectangular sections that are placed loosely next to each other. If σå, σ and are their respective maximum bending stresses on the three sections, which one of the following relations is correct? 2a 2a 2a a a 2a (a) (b) а) ба<оо сос b) σa=0₂ < oc c) a< 0b = 0c d) a = b = c Figure A12 (c) Toro a a

The three cross-sections shown in Figure A12 have the same cross-sectiona area and are subjected to the same bending moment about their horizontal axis of symmetry. Section (a) is a square section. Sections (b) and (c) are composed of two rectangular sections that are placed loosely next to each other. If σå, σ and are their respective maximum bending stresses on the three sections, which one of the following relations is correct? 2a 2a 2a a a 2a (a) (b) а) ба<оо сос b) σa=0₂ < oc c) a< 0b = 0c d) a = b = c Figure A12 (c) Toro a a

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter6: Stresses In Beams (advanced Topics)

Section: Chapter Questions

Problem 6.5.12P: A C 200 x 17.1 channel section has an angle with equal legs attached as shown; the angle serves as a...

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