Determine the maximum force P and the corre- sponding maximum total strain energy that can be stored in the truss without causing any of the members to have permanent deformation. Each member of the truss has a Ow diameter of 50 mm and is made of A-36 steel. E-N 1.2 m A C B -0.9 m -0.9 m- VP

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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.