12-kg ball is placed in a shallow wedge with an opening angle of 120, as shown in the figure. For each contact point between the wedge and the ball,…

A 0.12-kg ball is placed in a shallow wedge with an opening angle of 120°, as shown in the figure. For each contact point between the wedge and the ball, determine the force exerted on the ball. Assume the system is frictionless. Find contact force of the ball and the wedge.