Assertion: coaster's loop | /r/HasProperty | circular
Facets:
Source sentences:
text: The motion through a coaster loop isn't precisely an example of moving in a circle at constant speed since the loop is neither circular not the speed constant.
text: Roller coaster designers discovered that if a loop is circular, the rider experiences the greatest force at the bottom of the loop when the cars are moving fastest.
text: Initial loops were circular meaning the angle of turn was constant all the way round.
text: However, even if the train were nearly at rest at the top, with riders hanging upside down, experiencing -1g, the riders would still be exposed to 5g at the bottom (and 2g at the side) if the loop were circular.