Coulomb's Law:
Coulomb's law is a fundamental principle in physics that describes the electrostatic force between two charged particles. It states that the magnitude of the electrostatic force between two point charges is directly proportional to the product of their magnitudes and inversely proportional to the square of the distance between them. Mathematically, it can be represented as:

F = k * (q1 * q2) / r^2

Where:
- F is the magnitude of the electrostatic force
- k is the electrostatic constant (k = 8.99 x 10^9 N m^2/C^2)
- q1 and q2 are the magnitudes of the charges
- r is the distance between the charges

Superposition Principle:
The superposition principle is a concept in physics that states that the net electric force on a charged particle is the vector sum of the individual electric forces exerted by other charged particles. In other words, it states that the total electric field at a point due to a collection of charges is the vector sum of the individual electric fields produced by each charge separately.

Explanation:
The superposition principle arises from the fact that the electric force follows the principle of superposition, meaning that it adds up linearly. This principle allows us to analyze complex systems of charges by considering the forces between pairs of charges and then summing them up.

When multiple charges are present, each charge creates an electric field in the surrounding space. The electric field at any point due to a single charge is defined as the force that would be exerted on a positive test charge placed at that point. The direction of the electric field is the same as the direction of the force that would be exerted on a positive test charge.

By applying the superposition principle, we can determine the net electric field at a given point by calculating the vector sum of the individual electric fields produced by each charge. This allows us to determine the resulting force on a test charge placed at that point.

In summary, Coulomb's law provides a mathematical description of the electrostatic force between two charges, while the superposition principle allows us to determine the net electric force on a charged particle in the presence of multiple charges by summing up the individual forces. These principles are fundamental in understanding and analyzing electrostatic interactions.