pieguy@lemmy.sdf.org to Funhole@lemmy.sdf.org · edit-24 months agoit's pi daypieguy.sdf.orgvideomessage-square20fedilinkarrow-up159arrow-down13file-text
arrow-up156arrow-down1videoit's pi daypieguy.sdf.orgpieguy@lemmy.sdf.org to Funhole@lemmy.sdf.org · edit-24 months agomessage-square20fedilinkfile-text
minus-squarejdr@lemmy.mllinkfedilinkarrow-up5·edit-24 months agoZorgit made this one for Wikipedia for example. https://commons.wikimedia.org/wiki/File:Cycloid_f.gif Yours is a sinusoid, but looks like it could have been a cycloid. (ISO8601 is life)
minus-squarepmjv@lemmy.sdf.orglinkfedilinkarrow-up4·3 months agoexplain why the red line is not the same as the line in the original content, if the circles are moving the same way
minus-squarejdr@lemmy.mllinkfedilinkarrow-up3arrow-down1·3 months agoTricky, right? It’s because there is “friction” and the part of the circle touching the line can’t move relative to it, and so you get that “cusp” shape. Maybe someone else can give a better explanation, I haven’t had any coffee yet.
minus-squarepmjv@lemmy.sdf.orglinkfedilinkarrow-up2·3 months agooh right, i see it now. in the original post, the line goes through the ball! thanks!
Zorgit made this one for Wikipedia for example.
https://commons.wikimedia.org/wiki/File:Cycloid_f.gif
Yours is a sinusoid, but looks like it could have been a cycloid.
(ISO8601 is life)
explain why the red line is not the same as the line in the original content, if the circles are moving the same way
Tricky, right?
It’s because there is “friction” and the part of the circle touching the line can’t move relative to it, and so you get that “cusp” shape.
Maybe someone else can give a better explanation, I haven’t had any coffee yet.
oh right, i see it now. in the original post, the line goes through the ball! thanks!