Under the action of a torsional moment of 3880 kg.cm, a transmission shaft undergoes an angular deformation of 0.25º / m. knowing that its length is 1200 mm and that the material used in its construction is a 1045 hot-rolled steel, it is requested: a) The diameter of the tree. b) Disregarding the angular deformation and with the diameter calculated in the previous item, what is the transmissible power at 120 rpm. Data: G = 8 x 104 kg / cm²; e X = πR4 / 2

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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.