Final answer:
The net force on particle q1 can be determined using Coulomb's Law, which involves the product of the magnitudes of the charges and the square of their separation distance, all divided by the Coulomb's constant.
Step-by-step explanation:
The net force on particle q1 can be calculated using Coulomb's Law, which is represented by the equation F = k * (|q1 * q2|) / r2, where F is the magnitude of the force between two point charges, q1 and q2 are the charges on the particles, r is the distance between the two charges, and k is the Coulomb's constant (8.99 x 109 Nm2/C2). The value of r for F2, the force between q2 and q3, is the distance given between these charges, which we must find in order to calculate F2.