The post is made of Douglas fir and has a diameter of 100 mm. (Figure 1) It is subjected to the load of 20 kN and the soil provides a frictional resistance distributed along its length and varies linearly from w = 5.7 kN/m at y = 0 m to w = 13.2 kN/m at y = 2 m. Neglect the weight of the post. Figure 2 m 20 kN 1 of 1 > Part A Determine the force F at its bottom needed for equilibrium. Express your answer to three significant figures and include appropriate units. F = Submit Part B SA/B = Value Submit Request Answer What is the displacement of the top of the post A with respect to its bottom B? Express your answer to three significant figures and include appropriate units. Provide Feedback μA Value Units Request Answer ? Units ?

The post is made of Douglas fir and has a diameter of 100 mm. (Figure 1) It is subjected to the load of 20 kN and the soil provides a frictional resistance distributed along its length and varies linearly from w = 5.7 kN/m at y = 0 m to w = 13.2 kN/m at y = 2 m. Neglect the weight of the post. Figure 2 m 20 kN 1 of 1 > Part A Determine the force F at its bottom needed for equilibrium. Express your answer to three significant figures and include appropriate units. F = Submit Part B SA/B = Value Submit Request Answer What is the displacement of the top of the post A with respect to its bottom B? Express your answer to three significant figures and include appropriate units. Provide Feedback μA Value Units Request Answer ? Units ?

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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A roadway sign weighs 7.2 kN and is supported by a structural pipe that has an outside diameter of 250 mm and a wall thickness of 11 mm. The resultant force of the wind pressure acting on the sign is 9 kN, as shown. Assume a = 8.2 m, b = 3 m, Pz = 9 kN, and %3D Py = 7.2 kN. (a) Determine the normal and shear stresses oH, TxyH at point H. (b) Determine the normal and shear stresses OK, TyzK at point K. a H K Answers: OH = i MPа. TxyH 28.6 MPa. OK i MPа. TyzK i ! MPa. II
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