Please regard to the coeffecient friction of 0.25. My instructor said that that friction is also applied to the belt and pulley not only in the suface of the plane. I cant get the Beta (angle in radians) of the contact between belt and pulley because it is not given in the data, i hope you will solve it and I am really struggling in this problem please regard to the answer, as much as possible it is closer to the answer

Please regard to the coeffecient friction of 0.25. My instructor said that that friction is also applied to the belt and pulley not only in the suface of the plane. I cant get the Beta (angle in radians) of the contact between belt and pulley because it is not given in the data, i hope you will solve it and I am really struggling in this problem please regard to the answer, as much as possible it is closer to the answer

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 7.3P: Two identical chairs, each weighing 14 lb, are stacked as shown. The center of gravity of each chair...

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Two identical chairs, each weighing 14 lb, are stacked as shown. The center of gravity of each chair is denoted by G. The coefficient of static friction is 0.2 at B (the contact point between the chairs) and 0.35 at A, C, and D. Determine the smallest force P that would cause sliding.
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Activity 1. In the figure shown, the coefficient of friction is 0.25 for all surfaces of contact. Find the weight W if the 20ON weight is on the point of moving (a) up; (b) down. 200N W 300 60
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