Assertion: body's mass | /r/HasProperty | equal
Facets:
value: to its weight in kilograms
type: OTHER
value: on the earth's surface
type: LOCATION
value: roughly
type: DEGREE
Source sentences:
text: On the earth's surface, the mass of an object is roughly equal to its weight in kilograms, so you can find the mass by simply weighing the object on a scale.