The bolts in the figure below are being subjected to shear by a vertical reaction. The sheer will act tangentially on a transverse section through each bolt. Determine the average shearing stress in the bolts if the reaction is 75 kN and the diameter of each bolt is 25 mm.

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Q: A simply supported beam supports the loads shown in the figure. The cross-sectional dimensions of…

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Q: A load P is supported by two springs arranged in series as shown in the figure. The upper spring has…

A: The total elongation is given as - δ = 64PR3nGd4upper + 64PR3nGd4lower76 = 64P×753×2083×103×194 +…

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Torsion

In mechanical engineering, torque, torsion, and twisting moment are three of the most important concepts which have different meanings. Torque is the consequence of a moment of a force that produces an angular acceleration in a body or induces rotational kinetic energy in a body. For instance, in an automobile, the power transmission shaft is a body that is always under rotation due to the external torque acting on it, this torque is created by the engine.