You are also talking about a track with infinite mass because otherwise the reas... | Hacker News

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		heavenlyblue 44 days ago \| parent \| context \| favorite \| on: In orbit you have to slow down to speed up You are also talking about a track with infinite mass because otherwise the reason train can change direction is because it's pushing the track northwards

ErroneousBosh 44 days ago [–]

Obviously! It goes without saying that the track must be infinitely massive and infinitely stiff, mounted on an entirely inflexible infinite plane.

See, now you're talking real physics!

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