UNIVERSITY PHYSICS II CHAPTER 25 825.1 reference frames and the classical Galilean relativity 1. what is reference frame A reference frame consists of (1)a coordinate system and (2)a set of synchronized clocks distributed throughout the coordinate grid and rest with respect to it. 31 1.what is reference frame A reference frame consists of (1) a coordinate system and (2) a set of synchronized clocks distributed throughout the coordinate grid and rest with respect to it. x z y §25.1 reference frames and the classical Galilean relativity