When I throw a ball upward, gravity does negative work on the ball as it rises (the force is down and the motion is up &#150; they are in opposite direction).
(I; throw upward; a ball) (they; are; in opposite direction) Context(they are,List([126, 134))):(gravity; does; negative work on the ball; T:When I throw a ball upward) (it; rises; ) (the force; is; down) (the motion; is; up &#150)
they are,List([126, 134))
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negative work on the ball T:When I throw a ball upward
down
up &#150