The answer is related to Relativity. Read this: https://ocw.mit.edu/courses/materials-science-and-engineering/3-a08-attraction-and-repulsion-the-magic-of-magnet

The answer is related to Relativity. Read this: https://ocw.mit.edu/courses/materials-science-and-engineering/3-a08-attraction-and-repulsion-the-magic-of-magnets-fall-2005/assignments/mag_relativity.pdf https://ocw.mit.edu/courses/materials-science-and-engineerin...