Задача 11069.

A horizontal uniform rod of length l = 2 m and mass m = 12 kg is rigidly attached to the shaft AB. An angular velocity of 2 rad / s is reported to the shaft. Left to himself, he stopped, making 20 turns. Determine the moment of friction in the bearings, assuming it is constant.

A detailed solution with a brief description of the condition, formulas and laws used in the solution, the derivation of the formula and the answer.
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