고체역학 (Beer) — Introduction—Concept of Stress: Problem 1.24

1.24 A 6-mm-diameter pin is used at connection C of the pedal shown. Knowing that $P = 500 \text{ N}$, determine (a) the average shearing stress in the pin, (b) the nominal bearing stress in the pedal at C, (c) the nominal bearing stress in each support bracket at C.