Assertion: roller coaster's car | /r/CapableOf | sail over the top of the loop
Facets:
Source sentences:
text: 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).
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).