Задача 10110.

With what force must press the brake pads against the wheel rotates at about 30 n1 = / c, for it within t = 20 s, if the weight is distributed on the wheel rim and the wound m = 10 kg wheel diameter d = 20 cm? The coefficient of friction between the pad and the wheel rim = 0.5.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.