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In the figure the block A,B and C of mas...

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 :

A

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

B

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

C

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

D

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

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