If an object is at rest its does not change with the respect to a fixed frame of reference

A fixed background surrounding an object, assumed to be at rest and in a fixed position ... The POSITION of an object within a frame of reference is given by its ___ and ___ from ... motion that is not constant in some aspect, if the motion of the object is accelerated, its motion can be speeding up or down or changing direction.

An atom that has fewer electrons that protons is called a positive ion.