Question

If you are trying to determine if something is in motion, explain why the reference frame you use should be stationary.

Answer 1

Answer:

nice question

Explanation:

An object is in motion when its distance from another object is changing. ... 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. You assume that the reference point is stationary, or not moving.