Because of wearing at the edges, the pivot bearing is subjected to a conical pressure distribution at

Question:

Because of wearing at the edges, the pivot bearing is subjected to a conical pressure distribution at its surface of contact. Determine the torque M required to overcome friction and turn the shaft, which supports an axial force P. The coefficient of static friction is ?_s. For the solution, it is necessary to determine the peak pressure P₀ in terms of P and the bearing radius R.

Distribution
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