Tuesday 31 May 2016

space - How would you move without gravity?


I'm wondering how would you move without gravity? You would still have air pressure at 1Atm.


Would you "swim" in the air or would you have do something else?



Answer



The answer is: with great difficulty.



In a space ship there should be hand holds and footholds and a grid of ropes crisscrossing and you would move by pulling and pushing yourself: muscle power.


Air is too thin to get a reactive force to propel yourself effectively by swimming.


Once a motion is started, stopping will have to be taken into account too.


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