Question: A rod DE and a small cylinder are placed between two guides as shown. The rod is not to slip downward, however large the force

A rod DE and a small cylinder are placed between two guides as shown. The rod is not to slip downward, however large the force P may be; i.e., the arrangement is said to be self-locking. Neglecting the weight of the cylinder, determine the minimum allowable coefficients of static friction at A, B, and C.

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