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Yes, in the tracks and the wheels the roller coaster cart rests on.
wood
the tracks
the tracks
yes; wherever the coaster touches the tracks there is static friction pressing against it and it pressing against the tracks, thus keeping it from flying off.
they stick on the track by these tapes on the wheels
The wheels are on top, between and below the tracks.
If its moving it has kinetic energy
See the straight coaster picture and curve ones? Click on them to build a piece. Its the same as the turn tracks and straights.
Different tracks have different shapes and dimensions. There is no one answer to your question.
Click on the link below to see Nascar track information.
I think the tracks they've got something to make it stop instantly cause when u get to the end the tracks is what happens