dreamer_easy: (SCIENCE)
dreamer_easy ([personal profile] dreamer_easy) wrote2009-08-11 09:46 am

(no subject)

Can you skate faster in lower gravity?

[identity profile] jblum.livejournal.com 2009-08-11 08:58 am (UTC)(link)
Ah! So -- could you skate faster in a vacuum?...

[identity profile] kelemvor.livejournal.com 2009-08-11 11:08 am (UTC)(link)
For as long as you could hold your breath...
elsaf: (Default)

[personal profile] elsaf 2009-08-11 12:03 pm (UTC)(link)
I think you could, but I'm not certain. I have forwarded this question to my brother the mechanical engineer for an authoritative answer.
elsaf: (Default)

[personal profile] elsaf 2009-08-11 01:15 pm (UTC)(link)
My brother says, yes, you could skate faster in a vacuum because that would remove the air resistance.

He also offered that in low-gravity, the air would be less dense (if you weren't in a pressurized environment), so you might have a little less air resistance. However, this would be balanced by a reduction in the force you could exert to push yourself forward, because the friction between the wheels and the ground would be less.

[identity profile] pbristow.livejournal.com 2009-08-11 02:20 pm (UTC)(link)
"the wheels and the ground"

Ah! Are we talking roller skating or ice skating? I was assuming the latter 'til now.