If more surface area = more friction, than why do textured objects that have less surface area “cling” better?
In: Physics
Textures increase surface area. Put simply, a flat surface has a very basic surface area. Adding ridges increases the surface area, because you have additional area in the upward and downward slope.
It’s one of the reasons things like heat sinks tend to have a bunch of right angled raised areas, so there’s more surface area to disappate heat.
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