Лаг1989 задача №3.13

A small body of mass m = 2 g slides without friction along a curved surface from point A (see Fig.). Point A is at a height h₁ = 50 cm; and point C - at height h₂ = 30 cm from the horizontal plane MN. The radii of the curvature of the surface at points B and C are the same: R = 40 cm. Find the modulus of pressure forces on the surface at points B and C.

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