Answered: S-7. Determine the force in each member…

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S-7. Determine the force in each member of the truss shown in Figure P5–7 using the method of joints.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter11: Columns

Section: Chapter Questions

Problem 11.2.4P: Repeat Problem 11.2-3 assuming that R= 10 kN · m/rad and L = 2 m.

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Concept explainers

Strain energy

The term strain indicates the variation in an object's length, area, and volume when the object is subjected to an external force. The external force may be of normal, shear, moment, torque, etc. The strain in an object depends on the types of external force and cross-section of the object. Mathematically, the evaluation of strain can be obtained with the help of elastic constants.

Question

5-7. Determine the force in each member of the truss shown in Figure P5–7
using the method of joints.
C
2.5 m
20 kN
B.
5 m
FIGURE P5-7
2.5 m
6 m

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