Physics, 19.12.2021 14:40, riley111111111111111

Blocks A and B of masses 19 kg and 15 kg, respectively, are connected by a rope that passes over a light frictionless pulley as shown. Horizontal surface is rough. The static and kinetic friction coefficients are 0.40 and 0.20, respectively. External forces P and Q act on block B as shown. In the figure, the force P is equal to 60 N. What is the approximate maximum value of Q force at which the system remains at rest?

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Blocks A and B of masses 19 kg and 15 kg, respectively, are connected by a rope that passes over a l...