Problem 524 | Friction
Problem 524
A horizontal arm having a bushing of 20 mm long is slipped over a 20-mm diameter vertical rod, as shown in Fig. P-524. The coefficient of friction between the bushing and the rod is 0.20. Compute the minimum length L at which a weight W can be placed to prevent the arm from slipping down the rod. Neglect the weight of the arm.
![Bushing and rod system](http://www.mathalino.com/sites/default/files/images/524-rod-and-bushing-system.gif)
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