Assertion: cue ball's spin | /r/HasProperty | back
Facets:
Source sentences:
text: First the cue ball starts moving with back spin.
text: By the same token, when such impact is made and the cue ball has draw (back-spin) on it, the cue ball will first travel on the tangent line and then parabolically arc backward from the tangent line in the opposite direction of cue ball travel.