Select the correct free body diagrams for the two blocks shown in the figure above. (More than one diagram may be technically correct; select the most appropriate diagram.) The acceleration due to gravity is g acting in the direction shown. There is no air drag. The rope is inextensible (does not stretch) and has no mass.

A:

B:

C:

D:

E:

A. A
B. B
C. C
D. D
E. E