Point | Charge | x | y | xi − xj | yj − yi |
| Fx | Fy |
(7, 11) | + | 7 | 11 | N/A | N/A | N/A | N/A | N/A |
(3, 17) | + | 3 | 17 | 4 | −6 | 52 | 0.0769 | −0.1154 |
(14, 15) | + | 14 | 15 | −7 | −4 | 65 | −0.1077 | −0.0615 |
(16, 8) | + | 16 | 8 | −9 | 3 | 90 | −0.1000 | −0.0333 |
(4, 4) | − | 4 | 4 | −3 | −7 | 58 | −0.2069 | −0.4828 |