Assertion: gravity | /r/HasProperty | unique
Facets:
value: in being both long-range
type: OTHER
Source sentences:
text: Gravity is a long-range force in contrast to the strong and weak forces (Table 1).2 Magnetic and electric forces are also long-range, but gravity is unique in being both long-range, and always attractive, thus never cancelling out (unlike electromagnetism, where the forces may either attract or repel).