Calculate the magnitude of the net force on each charge

[jasonbans]

Homework Statement

Four objects, each with a positive charge of 1.0 3 1025 C,
are placed at the corners of a 45° rhombus with sides of
length 1.0 m, as in Figure 13. Calculate the magnitude of
the net force on each charge.

Homework Equations

F = Kq1q2/r^2

The Attempt at a Solution

 

[Spinnor]

Does this get you started?

 

[jasonbans]

Does this get you started?

yes, thank you I was thinking of something like this.
All I got to do now is do find the component of x and y