Question

What is the purpose of a reference point?

Answer 1

Answer: To establish a point from which to measure a future distance, or if movement has occurred.

Explanation:

A reference point is a point with respect to which one comes to know whether any movement has occurred or not. A still point is required. When the object changes distance from that point, it means that object has moved. The distance can be calculated from one point to another.

Therefore, A reference point is used to establish a point from which future distance or if movement has occurred is detected.

Answer 2

The purpose of the reference point is to to establish a point from which to measure future distance, or if movement has occurred.