Constants | Periodic Table Two negative and two positive point charges (magnitude Q = 5.10 1110 ) are placed on opposite corners of a square as shown...

Please help by explaining the concepts underlying how the following problem is solved

Constants | Periodic Table Two negative and two positive point charges (magnitudeQ = 5.10 1110 ) are placed on opposite corners of asquare as shown in the figure (a = 0.165 m ).(Figure 1) V FBI'IA Determine the magnitude of the force on each charge. Enter your answers numerically separated by commas. IUD ‘5 0 0AM) ? Ernest Answer V PartB Determine the direction of the force on each charge. Enter your answers numerically separated by commas.