A rubber pad is sandwiched between two steel plates subjected to shear force V = 400kN. The dimensions of the plate area, a= 250mm and b = 300mm. The thickness of the rubber is c = 125mm. After the force is applied, the top plate is found to have displaced laterally by δ = 1.5mm along the 300mm length. Determine the shear stress. Determine the shear strain. Determine the shear modulus.

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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.