New posts in Reference Frames

How can Newton's idea of absolute space be reconciled with Galilean relativity?

How can the centripetal force lead to objects flying apart?

Is the presence of a magnetic field frame-dependent?

Why the Galileo transformation are written like this in Quantum Mechanics?

A fundamental problem with the cosmological principle?

Approximations in elliptical orbits

Some confusion regarding the equivalence principle

How to remove gravity component from accelerometer $X$, $Y$ readings?

Why does a body always rotate about its center of mass?

Physical meaning of frames in general relativity