how does the gravity free water stay inside the cup
Gravity's purpose is to pull objects downwards.
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because the water mass is 18 and the gravity force which acts on this is 9.8 per sec so the filtration process is occurr through paper or other reason is that the mass of water is less so the gravity force does not acts upon this .
without gravity there can be no free fall. The only time humans have eperienced free fall is within a space craft where gravity is regulated.
for the purpose of measuring the specific gravity
In free fall is should be gravity, obviously if an object is falling it should be gravity.
The ISS is used for various research projects and experiments that can only be performed in micro-gravity. (free-fall, or zero G)
Gravity does not effect mass, weight is what you get when you resist the effects of gravity. (Note that in "free fall" and/or "micro gravity" you are not resisting.)
There is gravity everywhere.
gravity of vratish water is in your mother vagina
free fallThe term that describes motion that does not resistance to gravity is called free fall. This means that gravity does not caught you.
Sorry, but earth is not a gravity free system. No matter where it is placed in the universe it will still have gravity that will affect all around it and that upon it.