PROBLEM 6.82 Determine y, which locates the centroidal axis x' for the cross-sectional area of the T-beam, and then find the 2nd moments of area I and Iy. [52.5 mm, 16.6×106 mmª, 5.725×10° mm*] 15 mm 75 mm 20 mm 150 mm 20 mm hp

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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.