Assertion: body | /r/AtLocation | straight line
Facets:
value: at a constant speed
type: MANNER
Source sentences:
text: He thought that a body was in its natural state when it was at rest, and for the body to move in a straight line at a constant speed an external agent was needed continually to propel it, otherwise it would stop moving.
text: Hence a body moving in a straight line will continue to do so until it experiences a gravitational pull, in which case it will deviate from a straight line motion, even if no body impacts upon it.