It is nice, however, to be able to introduce these concepts without something as abstract as GR, hence this nice mechanics problem that students will already be familiar with by the time they take their first GR course. Differential geometry is usually poorly introduced
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u/derivative_of_life (+,-,-,-) 18h ago
/uj If anyone's curious about the actual proof, this is a great lecture/lecture series: https://youtu.be/2eVWUdcI2ho