Добавлено в закладки: 0
A non-uniform bar of weight W=45.0 N is suspended at rest in a horizontal position by two massless cords. The angle ϕ between cord 2 and the vertical is equal to 27.5°. The bar has a length L=9.0 m and the distance of its center of gravity from the left-hand end of the bar is 3.2 m.
