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Because rough surfaces prevent the edges of the suction cup from creating a seal, which a suction cup needs to function.

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8y ago

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Do suction cups stick on wood?

Yes, suction cups can stick to wood surfaces. However, the effectiveness of the suction cup may depend on the type of wood, its finish, and how smooth the surface is. Rough or porous wood surfaces may not provide a good seal for the suction cup.


What do suction cups stick best to?

Suction cups adhere best to smooth, non-porous surfaces such as glass, tile, metal, or plastic. These surfaces provide a tight seal for the suction cup to create a vacuum and stick securely. Rough or porous surfaces may not allow for a proper seal and may cause the suction cup to lose its grip.


Will polyurethane smooth out rough wood surfaces?

Yes, polyurethane can smooth out rough wood surfaces by providing a protective and smooth finish when applied correctly.


Is friction greater when two rough surfaces are rubbed together or two smooth surfaces?

two rough surfaces


What produces more heat rough surface and a smooth or surface two smooth surfaces or two rough surfaces or two surfaces with oil between them?

Two rough surfaces in contact will produce more heat due to increased friction compared to two smooth surfaces or a smooth and rough surface. Adding oil between two surfaces will reduce friction and heat generation.


What do smooth surfaces usually have less than rough surfaces?

Smooth surfaces usually have less friction than rough surfaces because there are fewer irregularities and protrusions that can create resistance when two surfaces rub against each other. This causes objects to slide more easily on smooth surfaces compared to rough surfaces.


Why do suction cup stick to wet surfaces better than dry surfaces?

No. How well a suction cup sticks to a surface has to do with how will a seal can be formed on the surface. Rough surfaces will not form good seals compared to smooth surfaces which means that suction cups will not stick as well to rough surfaces as they do to smooth surfaces.


Why does rough surfaces have more friction compared to smooth surfaces?

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Are rough surfaces have more friction than smooth surfaces?

True.


Is friction greater when two rough surface are rubbed together or two smooth surfaces?

two rough surfaces :)


Why is friction least effected by smooth surfaces?

Smooth vs. Rough surfaces. Rough surfaces have more surface area than smooth surfaces. This means that there are increased incidences of molecular reactions between the surface and object


Can a rubber sucker stick on a rough surface?

Rubber suckers may have difficulty sticking to rough surfaces due to the irregularities in the surface preventing a proper seal. A smooth surface allows for better suction by creating a vacuum when pressed against it.