As shown, a uniform beam is attached to a wall at point A. For help in identify the type of support depicted in this drawing, see pages 160-161 (5th ed) of your text. F2 A If the problem is simplified to only consider reactions in the plane of the the paper (we'll call it the x- y plane), the reactions at point A should include (select all that apply): A force reaction in the x direction O A force reaction in the y direction O A force reaction in the z direction A moment reaction about the x axis A moment reaction about the y axis A moment reaction about the z axis