Assuming that the variation of pressure at the bottom of the

Assuming that the variation of pressure at the bottom of the pivot bearing is defined as p = p0(R2/r), determine the torque M needed to overcome friction if the shaft is subjected to an axial force P. The coefficient of static friction is μs. For the solution, it is necessary to determine p0 in terms of P and the bearing dimensions R1 and R2.



R2 Ry Po R2 p= Po-


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