why do rough surfaces greater friction
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Friction is always more on a rough surfacecompared to a smooth surface. This is because rough surface offers more resistance to the movement of an object over it compared to a smooth surface
bheemshankar:
Friction is always more on a rough surface compared to a smooth surface. This is because rough surface offers more resistance to the movement of an object over it compared to a smooth surface.
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A pair of rough surfaces will havemore friction than a pair of smooth surfaces, because the “peaks” of one surface can fall into the “valleys” of the other, meaning that to keep moving either something needs to break, or the surfaces would need to push apart briefly.
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