5.5.6
On the tripod AB = BC = AC, a horizontal platform with a load G2 = 50Н rests. Weight of the tripod and platform G1 = 500N. The vectors of forces G1, G2 and point A are in the same vertical plane. Determine the reaction at point A if the distances a = 0.5 m, b = 1 m and c = 1.5 m. (Answer 200)