Block A in figure-2.207 weights 2.7N and...

Block A in figure-2.207 weights 2.7N and block B weighs 5.4 N the coefficient of kinetic friction between all surfaces is 0.25. Find the magnitude of the horizontal force F necessary to drag blocks to the left at constant speed if A and B are connected by a light, flexible cord passing around a fixed frictionless pulley

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[3.38 N]

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