Why do the spokes of a wheel seem to rotate in the opposite direction to that of the wheel?
In: Physics
Say the wheel is turning forwards 75% of a full turn, if you don’t see how much the wheel actually rotated, it would seem like it just moved 25% the way backwards
Typically the spokes on a wheel make it work with smaller percentages than that, otherwise it would only work on really fast moving wheels
This is what happens when you film, you take a picture every interval, usually 1/30th of a second and you can’t see what happens on between
It can also happen with the naked eye at night, because street lights flicker 60 or 50 times a second, so you can’t see the wheels very well when they are flickering
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