Question

explain any three non contact forces with examples​

Answer 1

When a force is applied on some body by another object without any interaction or contact is called non contact force.

or

In a Non-contact force the force information is transmitted over distance.

Examples of Non-Contact Forces are :

Gravitational force

Magnetic force

Electrostatics

Nuclear force

It differs from the contact force in the sense that physical contact is not involved here.

it is interesting to note that origin of all contact forces can be traced to non-contact forces.