Задача id10361
A worker holds a board weighing 16 kg at one end so that the other end rests on the ground and forms an angle of 60° with the horizon. With what force does the worker hold the board if this force is perpendicular to the board? g = 10 m/s2.
Detailed solution. Format jpg
Оплата и выдача товара осуществляются через партнёрскую платформу.