Assertion: fastball | /r/HasProperty | thrown with backspin
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Fastballs are usually thrown with backspin, so that the Magnus effect creates an upward force on the ball.
text: Gyrospin is like that of a bullet or football thrown in a spiral.
text: Other fastballs, such as the two-seam and cutter, are thrown with spin, but are moving too fast for the Magnus effect to change their position drastically.
text: The Fastball is thrown with topspin and should have a 6:00 spin direction.
text: When a fastball is thrown with backspin, we can explain its vertical movement with Magnus force.
text: Fastballs are usually thrown with backspin, so that the Magnus effect creates an upward force on the ball, causing it to fall less rapidly than might be expected.
text: Because the fastball is thrown with backspin, it gets some lift and won't drop as much as a smooth ball (or one with little spin) would.