That's not the case. Maybe you're confusing gravity with the strong nuclear force. Astronauts live on the ISS in zero gravity for weeks.

@Gwendolyn2018 If gravity "disappeared" we'd carry on moving weightlessly in a straight line. Because the earth spins we'd start to feel we were gradually floating up, along with everything else that wasn't nailed down. Our speed relative to the earth would slowly appear to increase up to a final value of several hundred mph depending on our latitude. Nothing else would happen to our physical body, which is held together by electromagnetic and nuclear forces. A "contained space" is physically irrelevant - astronauts leave their craft on spacewalks. They could in principle also leave their pressurised suits but in the absence of a breathable atmosphere that would be inadvisable.

@Gwendolyn2018 You're welcome. I hope my grammar was acceptable enough for you.

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