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Chapter 10. INTERNAL FORCES IN STRUCTURAL MEMBERS: PLANE TRUSSES.

10.1 Plane trusses. Introduction.

10.2 Assumptions made in truss analysis.

10.3 Isostatic and hyperstatic systems.

10.4 Method of joints.

10.5 Method of Maxwell-Cremona.

10.6 Method of Ritter or sections.

You should learn to solve any plane truss after the theoretical lectures, the problem sessions and the homework you did during this part of the subject.

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A rigid body is said to in equilibrium if the resultant of all forces and all their moments taken about any and all points are zero.

Free body diagram (FBD): depiction of an object with ALL the external forces acting on it.

Reactions coming from the supports: usually a body is constrained against motions using supports. It is essentially to correctly estimate the number and type of reactions that a support can provide.

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