
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Transcribed Image Text:The cross-section of a wooden, built-up beam is shown below. The dimensions are L= 170 mm and w = 30 mm.
Determine the magnitude of the moment M that must be applied to the beam to create a compressive stress of σD = 28 MPa at point D. Also calculate the maximum stress developed in the beam. The
moment M is applied in the vertical plane about the geometric center of the beam.
M =
kN.m
Omax =
MPa
W
พ
L
D
พ
W
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