stupid X

i believe that can be easily explained by newton first law.- v- f7 N/ k0 K3 o( L
When no net force act on a object, the object will travel with constant velocity.' e1 w+ U' Z1 [0 `$ \/ K! F
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Since the water on the earth will be attracted by gravitational force, it will fell on the ground.3 [6 O0 f( C) m+ l$ y

! k$ F, ^. p' Q, V) V) vBut 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)