Q4: If the coefficient of static friction at B is u-0.4, determine the largest angle e and the minimum coefficient of static friction at A so that the roller remains self- locking, regardless of the magnitude of force P applied to the belt, Neglect the weight of the roller and neglect friction between the belt and the vertical surface. Somm Page (2 from 3)

Q4: If the coefficient of static friction at B is u-0.4, determine the largest angle e and the minimum coefficient of static friction at A so that the roller remains self- locking, regardless of the magnitude of force P applied to the belt, Neglect the weight of the roller and neglect friction between the belt and the vertical surface. Somm Page (2 from 3)

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.40P: The 60-lb plank rests on a frictionless roller at A, and the 20-lb triangular support BD. Both...

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