Which of the following statement about Coulomb's law is correct?
1
The electrostatic force between two stationary point charges is directly proportional to the product of the charges, and inversely proportional to the square of the distance between them.
2
It account for forces that bind atoms and molecules to form solids and liquids.
3
The electrostatic forces described by Coulomb's law can be either attraction or repulsion.
4
All of the above