In general, frames of reference can be grouped into 2: Inertial frame of reference and non-inertial frame of reference. A rest and constant speed frame of reference is an inertia frame of reference. Whereas for non-inertia frame of reference are accelerated and decelerated frame of reference
#FrameOfReference
#Relativity
#InertiaFrame
#SpecialRelativity
#Rebiaz