13-114. The ball has a mass of 1 kg and is confined to move along the smooth vertical slot due to the rotation of the smooth arm OA. Determine the force of the rod on the ball and the normal force of the slot on the ball when 0 = 30°. The rod is rotating with a constant angular velocity 3 rad/s. Assume the ball contacts only one side of the slot at any instant. = A 0.5 m = 2 rad/s Ꮎ