8-54. Two blocks A and B, each having a mass of 6 kg, are connected by the linkage shown. If the coefficients of static friction at the contacting surfaces are μB = 0.8 and μA = 0.2, determine the largest vertical force P that may be applied to pin C without causing the blocks to slip. Neglect the weight of the links. P 30° 30° A 30° Prob. 8-54 B

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