(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

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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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

(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.
X
A
2 m
4 m
Elt
D
3 m
B
8 kN
с
6 kN
10 KN

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