In the figure the block A,B and C of mass `m` each, have acceleration `a_(1),a_(2)` & `a_(3)` respectively. `F_(1) & F_(2)` are external forces of magnitude ` 2 mg` and `mg` respectively :

Options

A. `a_(1) =a_(2)=a_(3)`
B. `a_(1) gta_(3)gta_(2)`
C. `a_(1) = a_(2), a_(2) gt a_(3)`
D. `a_(1) gt a_(2), a_(2) = a_(3)`

Answer

B