An aluminum pole for a street light weighs 4,500 N and supports an arm that weighs 620 N (see figure). W, = 620 N 1.2 m P, = 100 N W, = 4,500 N 18 mm 9m 225 mm The center of gravity of the arm is 1.2 m from the axis of the pole. A wind force of 100 N also acts in the (-y) direction at 9 m above the base. The outside diameter of the pole (at its base) is 225 mm, and its thickness is 18 mm. Determine the maximum tensile and compressive stresses o, and o, respectively, in the pole (at its base) due to the weights and the wind force. (Enter your answers in kPa. Include the signs of the values in your answers.) maximum tensile stress kPa maximum compressive stress kPa

An aluminum pole for a street light weighs 4,500 N and supports an arm that weighs 620 N (see figure). W, = 620 N 1.2 m P, = 100 N W, = 4,500 N 18 mm 9m 225 mm The center of gravity of the arm is 1.2 m from the axis of the pole. A wind force of 100 N also acts in the (-y) direction at 9 m above the base. The outside diameter of the pole (at its base) is 225 mm, and its thickness is 18 mm. Determine the maximum tensile and compressive stresses o, and o, respectively, in the pole (at its base) due to the weights and the wind force. (Enter your answers in kPa. Include the signs of the values in your answers.) maximum tensile stress kPa maximum compressive stress kPa

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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