A beam is subjected to equal 12.1 kip-ft bending moments. Assume t = t2 = tw= 2 in., d = 12 in., b1 = 5 in., and b2 =7 in. The cross- sectional dimensions of the beam are illustrated. Determine: (a) the distance y to the centroid (measured from the bottom), the moment of inertia l, about the z axis, and the controlling section modulus Sz about the z axis. (b) the bending stress oy at point H (positive if tension, negative if compression). (c) the bending stress ox at point K (positive if tension, negative if compression). (d) the maximum bending stress omax produced in the cross section (positive if tension, negative if compression). M M d K b2 Cross scction Answers: (a) ỹ = in., Iz = i in.4, Sz = i in.3. i (b) GH i psi. (c) oK = i psi. (c) Ơmax i psi.

A beam is subjected to equal 12.1 kip-ft bending moments. Assume t = t2 = tw= 2 in., d = 12 in., b1 = 5 in., and b2 =7 in. The cross- sectional dimensions of the beam are illustrated. Determine: (a) the distance y to the centroid (measured from the bottom), the moment of inertia l, about the z axis, and the controlling section modulus Sz about the z axis. (b) the bending stress oy at point H (positive if tension, negative if compression). (c) the bending stress ox at point K (positive if tension, negative if compression). (d) the maximum bending stress omax produced in the cross section (positive if tension, negative if compression). M M d K b2 Cross scction Answers: (a) ỹ = in., Iz = i in.4, Sz = i in.3. i (b) GH i psi. (c) oK = i psi. (c) Ơmax i psi.

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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