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#Actualszecs

Posted 14 August 2013 - 10:53 PM

This whole gravity-from-rotation thing is not entirely clear for me. This "gravity" needs the assumption that every object is rotating with the station. But what if an object starts running in the opposite direction of the rotation direction? At a certain speed relative to the station, the object would start to float relative to the station. Running in the opposite direction would increase the "gravity".

 

What keeps the air rotating with the station? Sole friction between the air and the station? Maybe the station needs to be rotated and the air pumped in for several years untill they start to rotate synchronized and after that there is no problem any more?

 

EDIT: physics: failure. Once objetcs are rotating together, no force arises from the rotation that wants to change that (no tangential component). So I pretty much answered my own question.

 

 

Sorry for derailing.


#2szecs

Posted 14 August 2013 - 10:48 PM

This whole gravity-from-rotation thing is not entirely clear for me. This "gravity" needs the assumption that every object is rotating with the station. But what if an object starts running in the opposite direction of the rotation direction? At a certain speed relative to the station, the object would start to float relative to the station. Running in the opposite direction would increase the "gravity".

 

What keeps the air rotating with the station? Sole friction between the air and the station? Maybe the station needs to be rotated and the air pumped in for several years untill they start to rotate synchronized and after that there is no problem any more?

 

Sorry for derailing.


#1szecs

Posted 14 August 2013 - 10:47 PM

This whole gravity-from-rotation thing is not entirely clear for me. This "gravity" needs the assumption that every object is rotating with the station. But what if an object starts running in the opposite direction of the rotation direction? At a certain speed relative to the station, the object would start to float relative to the station. Running in the opposite direction would increase the "gravity".

 

What keeps the air rotating with the station? Sole friction between the air and the station? Maybe the station needs to be rotated and the air pumped in for several years untill they start to rotate synchronized?

 

Sorry for derailing.


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