Cec: coaster physics, Discusses physics as related to roller coasters it originally appeared on jim serio's "world of coasters" (woc) website. thanks to both david. Why roller coaster loops circular - gizmodo, Many extreme roller coaster these days have vertical loops. have you noticed that these loops are never circular? why is this? advertisement they all, also, seem to. Work, energy, power - physics classroom, © 1996-2016 the physics classroom, all rights reserved..