(a) Establish whether the 3D truss shown below is statically determinate. Justify your answer mathe- matically. (b) Apply the method of sections, with a section cut by a plane parallel to the xz plane (severing members EC, DC, EB, DB, AB) to determine the force in the member AB of the truss in the figure. (c) Compute the force in member DB. Hint: Select a line that several unknown forces pass through and sum moments of the cut section about this line. A 2 m ZA E 4 m - D 3 m B 8 kN 10 kN 6 kN →y
(a) Establish whether the 3D truss shown below is statically determinate. Justify your answer mathe- matically. (b) Apply the method of sections, with a section cut by a plane parallel to the xz plane (severing members EC, DC, EB, DB, AB) to determine the force in the member AB of the truss in the figure. (c) Compute the force in member DB. Hint: Select a line that several unknown forces pass through and sum moments of the cut section about this line. A 2 m ZA E 4 m - D 3 m B 8 kN 10 kN 6 kN →y
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter1: Tension, Compression, And Shear
Section: Chapter Questions
Problem 1.3.24P: A plane frame is constructed by using a pin connection between segments ABC and CDE. The frame has...
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