My family members say you’re walking downhill from the north pole to the equator, and uphill going the opposite way, but that doesn’t make sense, because you’re still walking along an arc on the sphere. I’ve stared and stared and stared at this baseball in my hand, but can’t figure it out.
In: Physics
If the world was a perfect sphere, I believe you would essentially be walking on a flat surface. As you take a step, the “top” of the sphere would be right in the middle of your feet. As your step gets larger, your landing foot would keep getting further “below” the “top”. However, as the “top” is right between your feet, your stationary for is also “dropping” further ” below” the “top”, making your feet at the same height once your foot lands.
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