Question

explain contact and non contact force​

Answer 1

Answer:

A non-contact force is a force which acts on an object without coming physically in contact with it. ... In contrast a contact force is a force applied to a body by another body that is in contact with

Answer 2

force in which we need to touch any object are contact force

eg.frictional force

force in which we don't need to touch any object are called non contact force

eg. gravitational force