Question

electric force is a non contact force? Explain with suitable diagrams​

Answer 1

A non contact force is a force acting on a body , without having any physical contact between the force and the body . For e x- Gravitational force, electrostatic force, magnetic force, etc.

Here is diagram showing that electrostatic force is a non contact force,

When you rub the comb with oil attracted on some thing such as if you rub comb with hair there generates a charge and bring it close to small pieces of papers, there generates an electric force between them as a result the paper pieces were attracted by the comb.