Instructor: William Fenton, Science Department, The Hotchkiss School

Bonus Problems

Enjoy these bonus problems that I will assign once a week or so. Problems are due at the beginning of class. To receive any credit, problems must be in on time, done completely on your own (no friends, no internet, etc), solved neatly and clearly, and completely correct. Basically, don't attempt these if you are not completely caught up in class.

Due Thursday, November 14, 2013

Squaring the Circle

A uniform metal plate has a length 4 R. The plate is bent in half at right angles and placed on a horizontal cylinder of radius R as shown. The top half of the plate is horizontal. The cylinder is fixed. What is the minimum coefficient of static friction μs between the plate and the cylinder that allows the plate to remain at rest?