K odnorodnomu katku radiusa R = 0,4 m prilozhena gorizontal´naya sila F = 12 N. Kakim dolzhen byt´ naimen´shiy ves katka v kN, dlya togo, chtoby on nakhodilsya v pokoye, yesli koeffitsiyent treniya kacheniya 0,008 m, razmer OA = 0,2 m?
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