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The frictional torque transmitted in a flat pivot bearing, considering uniform pressure, is

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+1 vote
in Machine Kinematics by (38.0k points)
The frictional torque transmitted in a flat pivot bearing, considering uniform pressure, is

(a) 1/2 × μ.W. R

(b) 2/3 × μ.W. R

(c) 3/4 × μ.W. R

(d) μ.W.R

This question was posed to me in semester exam.

This is a very interesting question from Friction and Double Hooke’s Joint in chapter Friction of Machine Kinematics

1 Answer

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by (106k points)
The correct option is (b) 2/3 × μ.W. R

For explanation: Total frictional force = 2/3 × μ.W. R

where μ = Coefficient of friction,

W = Load over the bearing, and

R = Radius of the bearing surface.

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