일반물리학 1 · Force and Motion-II · Problem 28
일반물리학 1 — Force and Motion-II: Problem 28
28 In Fig. 6-34, two blocks are connected over a pulley. The mass of block A is 15 kg, and the coefficient of kinetic friction between A and the incline is 0.20. Angle θ of the incline is 30°. Block A slides down the incline at constant speed. What is the mass of block B?
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