Inertial Frames, Definition, and the Problem of Absolute Motion
InertialFrame NewtonFirstLaw AbsoluteMotion
00:30 Abide by Reason clarifies inertial frames for students of mechanics who know the textbook phrase “at rest or moving with constant velocity” but haven’t unpacked its subtleties.
Relative Motion, Multiple Reference Frames, and Observer Dependence
RelativeMotion ReferenceFrames ObserverDependence
03:00 Abide by Reason illustrates the relativity of motion for students puzzling over what it means for an object to be “at rest” or “moving.”
Newton’s Absolute Space and Its Critique in Modern Physics
AbsoluteSpace NewtonPrincipia MachCritique
06:00 Abide by Reason revisits Newton’s proposal of absolute space for learners exploring the philosophical foundations of inertial frames.
Operational Test for Inertial Frames Using Newton’s First Law
OperationalDefinition FrameTesting NewtonFirstLaw
10:30 Abide by Reason offers a practical way to think about inertial frames for students needing a usable criterion rather than a metaphysical definition.