Question 3A Sign is supported by a pole of hollow circular cross section as shown in Figure Q3 Theouter and inner diameters of the pole are 25 mm and 200 mm, respectively The pole is 12m high and weghs 18 kN The sign has dimensions 2 mx 1 m and weighs 22 kN Note thatts center of gravity is 1 125 m from the axis of the pole The wind pressure against the signIs 1 5 kPaDetermine the stresses acting on a stress element at point A, which is on the outersurface of the pole at the front of the pole that is, the part of the pole nearest to the viewerDetermine the maximum tensile, compressive, and shear stresses at point A2 mMs OfficeIm250 mm-+200 mm12 mSection X-XFigure Q3 Sign post supported by a tube

Calculate the force due to wind.

Answered: Question 3 A Sign is supported by 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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A 120 mm x 100 mm x 20 mm T section short column is used as a simply supported beam. The beam carries the applied eccentric load F of 120 kN at the position indicated in Figure QS. Start your calculations be setting an origin from the right-most point on the cross-section and determine the following: 100 120 mm 20 mm 20 mm Figure QS: T- section short column beam 5.1 The maximum compressive and tensile longitudinal direct stresses induced in the column 5.2 Plot the stress distribution diagram and determine the position of the NA.
nc./Johan H σy 7.2-1 The stresses on the bottom surface of a fuel tanker (figure part a) are known to be o = 7750 psi, = 1175 psi, and 7 xy = 940 psi (figure part b). Determine the stresses acting on an element oriented at an angle = 55° from the x axis, where the angle is positive when counterclockwise. Show these stresses on a sketch of an element oriented at the angle 0. (a) PROBLEM 7.2-1 (b) 1175 psi Ţ 940 psi 7750 psi 7.2-5 The stresses acting on element A on the web of a train rail (see figure part a) are found to be 6500 psi tension in the horizontal direction and 18,500 psi com- pression in the vertical direction (see figure part b). Also, shear stresses with a magnitude of 3800 psi act in the directions shown. Determine the stresses acting on an element ori- ented at a counterclockwise angle of 30° from the horizontal. Show these stresses on a sketch of an ele- ment oriented at this angle. Cross Section (a) PROBLEM 7.2-5 B A Side View A (b) 18,500 psi 76500 psi 3800 psi
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