Assertion: coaster's energy | /r/HasProperty | lost to friction
Facets:
value: between the car
type: LOCATION
value: between track
type: LOCATION
value: always
type: TEMPORAL
Source sentences:
text: Changes in elevation become smaller throughout the track's course, as some mechanical energy is lost to friction.
text: This happens because some energy is always lost to friction as the marble rolls down the track.
text: The energy is never destroyed, but is lost to friction between the car and track.
text: Now that the coaster is whipping around loops and other hills, its energy is being lost to other forces like friction (energy created by two things being rubbed together) and air resistance.
text: Changes in elevation become smaller throughout the track's course, as some mechanical energy is lost to friction.