Three identical charges are placed on x ...

Three identical charges are placed on x - axis from left to right with adjacent charges separated by a distance d. The magnitude of the force on a charge from its nearest neighbour charge is F. Let `hat(i)` be the unit vector along `+ x ` axis, then the net force on each charge from left to right is :

`(2F hat(i) , -2Fhat(i) , 2Fhat(i))`

`(Fhat(i) , 0, Fhat(i))`

`(-(5)/(4)F hat(i), 0 + (5)/(4) Fhat(i))`

`(2F hat(i) ,0, 2 F hat(i))`

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