Assertion: roller coaster's loop | /r/HasAspect | two fundamental problems
Facets:
value: very
type: DEGREE
Source sentences:
text: A circular loop has two very fundamental problems:
text: A circular loop has two very fundamental problems: The g-forces that a body is exposed to at the bottom of the loop exceed what is safe (when travelling at a speed that just allows the car to sail over the top of the loop).