they work by gravity and sometimes technology and fat people
most modern-day rollercoasters
rollercoasters are really fun
rollercoasters
Rollercoasters
Rollercoasters
No, you're safe on them.
Cars, airplanes, trains, some buses, shuttles (occasionaly) jets, highchairs, rollercoasters, and anything else you can think of :)
Rollercoasters
Thousands and thousands and thousands............
Yeah. He does. He went on some rollercoasters with Selena Gomez and he was more scared than he was though. haha :) Gotta love Bieber!
The highest g's known on rollercoasters are 4-5 g, on rollercoasters at the likes of six flags.
there are 65 rollercoasters