The friction hook is made from a fixed frame and a
Chapter 8, Problem 8-42(choose chapter or problem)
The friction hook is made from a fixed frame and a cylinder of negligible weight. A piece of paper is placed between the wall and the cylinder. If \(\theta = 20^{\circ}\), determine the smallest coefficient of static friction \(\mu\) at all points of contact so that any weight W of paper \(\rho\) can be held.
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