The lap joint shown in fig. Is fastened by FOUR 20-mm diameter rivets. Assuming that p = 50 kN, determine a) the shearing stress in each rivet b) the bearing stress in each plate and c) the max. average tensile stress in each plate. P P H 130 mm A=(W-2d) x t ↓ 25 mm ↓ 00 00 ↑ 25 mm ↑ P P

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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.