Physics · Engineering Mechanics - Friction
When the wear is assumed to be uniform over a flat single collar bearing surface, the total frictional torque (T) developed is given by which formula? (Where W is the axial load transmitted, r1 is the external radius of the collar, r2 is the internal radius of the collar, and μ is the coefficient of friction)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1T = 23μW(r1 + r2)
- 2T = 23μW(r1 - r2)
- 3T = 12μW(r1 - r2)
- 4T = 12μW(r1 + r2)✓
Correct answer
T = 12μW(r1 + r2)
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