Question

Gosha · 2016-10-21 13:06:20

Dont read any replies before you post here. dont use google. Try answer on your own.

Question: Does the air inside a tire spin as the car moves?

Nou · 2016-10-21 13:13:41

Yes. The inner tires have friction with the air so it starts spinning together with the rest, plus of course, centrifugal force.

Koya, hummerz5, Pingohits, Swarth100

Anatoly · 2016-10-21 15:16:36

That's when you look from which dimensions you are asking, in our, as answered above. In the geometrical, it's false.

Slabdrill · 2016-10-21 15:41:13

yes it spins around the earth as the earth spins
and the sun as the earth orbits
and the black hole at the center of our galaxy as the sun orbits

hummerz5 · 2016-10-21 15:41:49

oh that reminds me i wanted to reply but my ipod is crap

I couldn't not read nou's post because I read it before you, gosha.

And so, going off of his points, I'd add that the acceleration of the vehicle might cause some minor compression of the air inside the tires (more towards the back when accelerating, e.g.) but given the high psi already, it's probably negligible.

If air isn't frictionless and does start spinning with the tire, there's your next question. Does the air reach the same rotational rate as the tire? How long does that take? can we even measure that

Zumza · 2016-10-22 09:15:22

hummerz5 wrote:

oh that reminds me i wanted to reply but my ipod is crap
I couldn't not read nou's post because I read it before you, gosha.
And so, going off of his points, I'd add that the acceleration of the vehicle might cause some minor compression of the air inside the tires (more towards the back when accelerating, e.g.) but given the high psi already, it's probably negligible.
If air isn't frictionless and does start spinning with the tire, there's your next question. Does the air reach the same rotational rate as the tire? How long does that take? can we even measure that

there are a lot of variables to take in consideration. The volume of the tire, the temperature variation in time etc.

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#1 2016-10-21 13:06:20

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#4 2016-10-21 15:41:13, last edited by Slabdrill (2016-10-21 15:41:27)

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