What forces keep a roller coaster on the track?
A.tension and centripetal force
B.normal and centripetal force
C.friction and centripetal force
D.gravity and centripetal force
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What forces keep a roller coaster on the track?
A.tension and centripetal force
B.normal and centripetal force
C.friction and centripetal force
D.gravity and centripetal force
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Answer:
c. friction and cintrepetal force