Electrostatic force is a branch of physics deals with the study of property and phenomenon of stationary or slow-moving electric charges. Charged objects usually exerts a force on a another object, but when these charges are at rest then the force between the object is called as electrostatic force. Unlike gravitational force which is only attractive, electrostatic force is both attractive or repulsive. Here the two opposite charges attract each other, while two similar charges repel each other.
The force is first discovered by Charles Coulomb in 1784. Through his experiments, he shown that the "Electrostatic force between any point two point charges is directly proportional to their magnitude and inversely proportional to the square of the distance between the charges."
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