Question

which is action at a distance force and why​

Answer 1

Answer:

In physics, action at a distance is the concept that an object can be moved, changed, or otherwise affected without being physically touched (as in mechanical contact) by another object. That is, it is the nonlocal interaction of objects that are separated in space.

Answer 2

Explanation:

Electric Forces as Non-Contact Forces

Gravitational forces are action-at-a-distance forces that act between two objects even when they are held some distance apart.