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

Explanation:

something that is used to judge or understand something else The professor used the study as a reference point for evaluating and discussing other theories.

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.

Reference point and reference frame

To describe the position of an object we need a reference point or origin. An object may seem to be moving to one observer and stationary to another. ... All objects must be in the same reference frame.

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