Question: Determine the smallest horizontal force P required to just move block A to the right if the spring force is 600 N and the coefficient

Determine the smallest horizontal force P required to just move block A to the right if the spring force is 600 N and the coefficient of static friction at all contacting surfaces on A is ?_s = 0.3. The sleeve at C is smooth. Neglect the mass of A and B.

B. 45 45

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