All Questions
Tagged with adhesion electromagnetism
4
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If friction and normal force are both the components of contact force, shouldn't the friction be repulsive?
Is friction due to intermolecular attractive forces or repulsive ones.
Since both friction and normal force are the components of contact forces, shouldn't friction be repulsive.
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How does glue work on the atomic level?
Glue seems to hold together almost all solid things. But on the atomic level, if two things have the same charge they tend to repel.
So is it possible to charge glue and a solid with a charge?
And ...
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Can iron filings on a magnet be removed using a stronger magnet?
After some experiments, I had some NdFeB permanent magnets "contaminated" with iron filings, sticking to it's poles surfaces/edges - you may have seen that before.
There are some working ways to ...
2
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Is it possible to eliminate Van der Waals interactions?
I came to know that the friction force actually depends on the surface contact area due to weak interactions (adhesion due to Van der Waals forces) between the atoms of both materials increasing in ...