Question

Describe some of the similarities and differences between the electrical force due to a point charge and the gravitational force due to point mass?

Answer 1

Similarity:
1.both follow inverse square rule.
2.Both forces act in the direction of the vector joining the centers of two objects
Differences:
1.Electrical force can be both attractive and repulsive,whereas gravitational force is only attractive.
2.Gravitational force is very weak.