1. For the system shown, the masses of A and B are 55 kg and 135 kg, respectively. The 20° coefficient of static friction between block A B and the surface C is 0.12 and the coefficient of static friction between blocks B A and B is 0.10. The coefficient of friction between the rope and the pulley is 0.10. What is the maximum mass M that can be Suspended as shown and still maintain equilibrium?
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FE 1
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