Find the work done by the given force eld for an object moving across a path that is the boundary of region bounded by the upper semicircle centered at the origin with radius 2 and the x-axis. Assume counterclockwise orientation' Hint: Use a theorem.| You should be able to do this problem without too much computational work. F' = (291,41; + If) 0 8 0 None ofthese O 81r O 4 O 27r O 2 O41r