laurenceOfSuburbia@lemmy.world to memes@lemmy.world · 7 hours agoJust a few minutes onlylemmy.worldimagemessage-square35linkfedilinkarrow-up1316arrow-down13
arrow-up1313arrow-down1imageJust a few minutes onlylemmy.worldlaurenceOfSuburbia@lemmy.world to memes@lemmy.world · 7 hours agomessage-square35linkfedilink
minus-squareGutek8134@lemmy.worldlinkfedilinkarrow-up1·3 hours agoAre we assuming repeatedly hitting the stairs? I’ve always considered vertical and horizontal movement separately, so I thought I’d have to add even more to the approximated traveled road, not decrease it.
minus-squareWIZARD POPE💫@lemmy.worldlinkfedilinkarrow-up1·3 hours agoLet us approximate stairs with a regular slope. Assume rolling down the stairs with minimal aditional horizontal movement other than the slope itself.
minus-squareGutek8134@lemmy.worldlinkfedilinkarrow-up1·2 hours agoOhhh, right, the ground will apply the upwards-sideways reaction force
Are we assuming repeatedly hitting the stairs?
I’ve always considered vertical and horizontal movement separately, so I thought I’d have to add even more to the approximated traveled road, not decrease it.
Let us approximate stairs with a regular slope. Assume rolling down the stairs with minimal aditional horizontal movement other than the slope itself.
Ohhh, right, the ground will apply the upwards-sideways reaction force