Question

Which does a reference point provide? Check all that apply.

Answer 1

A reference point is a point in geometry or general which is used to determine or refer to another point. In reference to this point, measurements can be done. Like, a reference point in space is used to measure distance or displacement to another point. A reference point in time is used to measure the time interval of an event. A reference in space-time can be used to measure the speed or detect object's motion. Hence, the following points apply:

→A position from which to measure future distance  

→a set of standard units for measuring displacement  

→a method for determining the speed of an object  

→a way to detect an object’s motion

A reference point provides a way/method to infer information about the object.

Answer 2

Answer:

a position from which to measure future distance  

Explanation:

Reference point is a standard point taken as a fixed point for future measurement. Example, consider a ball is at height h. Here height h is measured from the surface of earth. So, the surface of earth is taken as a reference point for future measurement. In all measurements from that time is taken from the surface of the earth.