A

\[\frac{F-μ(m+M)g}{m+ M}\]

B

\[\frac{F − μ(2m + M )g}{m+M}\]

C

\[\frac{F-μ(3m+M)g }{m+M}\]

D

\[G\frac{F+μ(m+M)g}{m-M}\]

E

\[G\frac{F+μ(3m+M)g}{m-M}\]