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If there is no friction in a rollercoaster is the speed the same throughout?

If there is no friction in a rollercoaster is the speed the same throughout?
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1 vote
If there is no friction in a rollercoaster is the speed the same throughout?

User Spencer Ruport
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2 Answers

7 votes
no because different Surfaces have different friction and that causes a Speed difference on each surface
User Markus Weninger
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4 votes
If there is no friction, the roller coaster would keep moving forever but a constant velocity. The only way it would accelerate is if there was a force continually pushing on it.
User Adavea
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