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In fig the blocks A,B,and C of mass m ea...

In fig the blocks A,B,and C of mass m each have acceleration `a_(1),a_(2), and a_(3)`, repectively. `F_(1) and F_(2)` are external force of magnitude `2mg and mg`, respectively. Then

A

`a_(1) = a_(2) = a_(3)`

B

`a_(1) gta_(3) gt a_(2)`

C

`a_(1) = a_(2) , a_(2) gt a_(3)`

D

`a_(1) gt a_(2) , a_(2) = a_(3)`

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