Assertion: body's force | /r/HasProperty | physical
Facets:
value: to use a philosophical notion
type: PURPOSE
value: in the sense
type: OTHER
Source sentences:
text: The ball, the racquet and I are physical things of one sort or another, but is the force physical?
text: It does not seem likely that a force is itself a physical thing in the sense of being a substance, to use a philosophical notion popular in Newton's day (as we saw above in his first optics paper).