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Re: [Phys-L] bike wheel handles


On 2013, May 26, , at 10:08, "Dr. Holly Priestley" <HPriestley5@comcast.net> wrote:

One uses these on a piano stool, no?

We used any chair/lab stool or lab chair that would go in a circle. Some
people use a disk on the floor but 'dangerous' if the child falls off.
Holly

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I saw a bar stool at Zeph's which reminded me -- but it was to adjust height. this would make an interest. One direction gain E tother lose, but would likely include so much friction not demonstrable? bar stool with "good" bearings desired!

bc still waiting for a response to his pendulum support acceleration question.