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what will happen if earths gravity increased and decreased ?
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Ultimately, the Earth is a ball of compressible fluid in hydrostatic equilibrium, with internal pressure and gravity in balance.
If gravity were to increase suddenly (and “suddenly” in this case means anything less than a geological timespan) the Earth would contract, as the bulk of the Earth would settle into a new equilibrium with higher density, temperature and pressure in the deep interior.
If gravity were to increase suddenly (and “suddenly” in this case means anything less than a geological timespan) the Earth would contract, as the bulk of the Earth would settle into a new equilibrium with higher density, temperature and pressure in the deep interior.
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If gravity were to increase suddenly (and “suddenly” in this case means anything less than a geological timespan) the Earth would contract, as the bulk of the Earth would settle into a new equilibrium with higher density, temperature and pressure in the deep interior.We'd have a couple of big problems… the issue of weighing 20% more is a tiny one compared to the issues of all the satellites unable to maneuver to a higher orbit would come crashing down… the moons orbit is balanced at the moment… it wouldn't be then… it would start to swing towards us eventually destroying all life on the Earth…
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