stupid X

i believe that can be easily explained by newton first law./ \8 y0 D) V- m; b. w7 T7 f6 m/ g
When no net force act on a object, the object will travel with constant velocity.
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7 @% Q; q$ P7 GSince the water on the earth will be attracted by gravitational force, it will fell on the ground.4 q. z! M0 ]% ^3 w. k2 x/ ~

* k: l: M# w  X5 FBut in the space, no force is added on the water will u X the ball ,so the water will remain its old velocity(don't move)