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?

Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
If you have any questions about the decision, write. I will try to help. File in image format.