Answer to Question #179639 in Physics for Matthias

Question

Two blocks are located on a horizontal surface, on a larger block weighing 10 kg there is a smaller block weighing 5 kg. Between the lower block and the surface of the substrate we can ignore any friction effects. On the other hand, the contact surfaces of the two blocks are rough, so that they do not allow one block to slide over the other. At a certain point, a force of intensity 30 N begins to act on the lower block. The force acts on the right side of the lower block. a) Determine the acceleration of the system that consists of two blocks. b) Determine the intensity of the static friction force between the two blocks. c) What is the minimum value of the static friction coefficient that prevents the upper block from sliding over the lower block? (Solutions: a) a = 2m / s, b) Ftr = 10 N, c) μ = 0.2)

Answer 1

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