as shown in the figure at junction A moment M has a magnitude 18--Nm has been applied to the crank of an engine. as the initial position down the piston is holding mechanism for the system to operate. determine the average normal stress in the connection rod BC, which has uniform cross section diameter of 25mm

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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.