Question

what is reference point?​

Answer 1

Answer:

A reference point is a place or object used for comparison to determine if something is in motion. An object is in motion if it changes position relative to a reference point. Objects that are fixed relative to Earth – such as a building, a tree, or a sign - make good reference points.

Answer 2

Answer:

Reference point is a poing used to locate other places in a 2d od 3d graphs

For example, A book is 5 m to left from chair where chair is the referance point