pieguy@lemmy.sdf.org to Funhole@lemmy.sdf.org · 3 個月前it's pi daypieguy.sdf.orgvideomessage-square20linkfedilinkarrow-up162arrow-down13file-text
arrow-up159arrow-down1videoit's pi daypieguy.sdf.orgpieguy@lemmy.sdf.org to Funhole@lemmy.sdf.org · 3 個月前message-square20linkfedilinkfile-text
minus-squarejdr@lemmy.mllinkfedilinkarrow-up3arrow-down1·3 個月前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.
minus-squarepmjv@lemmy.sdf.orglinkfedilinkarrow-up2·3 個月前oh right, i see it now. in the original post, the line goes through the ball! thanks!
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!