Calculate the net work output of a heat engine following the path ABCDA in the figure below. P (10' N/m') 2.6 A 2.0 1.0 D 0.6 C 1.0 4.0 V (10' m')Why is the work output less than for path ABCDA?What is the net work output of a heat engine that follows path ABDA in the figure with a straight line from B to D? (10' N/m') 2.6 A 2.0 B 1.0 D 0.6 C 1.0 4.0 V (10' m')