In figure two positive charges 
and 
fixed along the y -axis, exert a net electric force in the +x -direction on a charge 
fixed along the 
-axis. If a positive charge 
is added at ( 
), the force on 
:
-axis
-axis
-axis
and 
Text Solution
Verified by ExpertsA
The net force on 
by 
and 
is along the 
-direction, so nature of force between 
and 
is attractive. This can be represent by the figure given below.
The attractive force between these charges states that 
is a negative charge (since, 
and 
are positive).
Thus, nature of force between 
and newly introduced charge 
(positive) is attractive and net force on 
by 
and Q are along the same direction as given in the diagram below.
The figure given above clearly shows that the force on 
shall increase along the positive 
-axis due to the positive charge Q.
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