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

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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FN=61 SN=79