Answered: Mona's Office 3 ft 10.5 in. 42 ft -8.5…

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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A sign is supported by a pole of hollow circular cross section, as shown in the figure. The outer and inner diameters of the pole are 10.5 in. and 8.5 in,, respectively. The pole is 42 ft high and weighs 4 kips, The sign has dimensions 8 ft x 3 ft and weighs 500 lb, Note that its center of gravity is 53.25 in. from the axis of the pole. The wind pressure against the sign is 35 lb/ft -,
(a) Determine the stresses acting on a stress element at point A, which is on the outer surface of the pole at the "front" of the pole, that is, the part of the pole nearest to the viewer,
(b) Determine the maximum tensile, compressive, and shear stresses at point A

Mona's Office
3 ft
10.5 in.
42 ft
-8.5 in.
Section X-X
PROBLEM 8.5-15

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