Talk:Physics of roller coasters
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A roller coaster can be a real thrill. It is a very fun ride but it will sometimes get you very sick. Did you know a roller coaster is not run by a engine it is pulled to the top of a hill, and then it is let go
Centripetal acceleration is not a true force
[edit]How could anyone even think of comparing a force with acceleration? Acceleration is not a force and never could be :) — Preceding unsigned comment added by 94.242.22.58 (talk) 22:43, 26 October 2013 (UTC)