- #1
science.girl
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Could someone please explain how science reconciles these statements (both of which I have found in textbooks):
*Friction is known as a "contact force" that relies on contact between surfaces for frictional forces to act.
*In quantum mechanics, surfaces cannot be in "contact" with one another because of interactions of their atomic particles.
I know that friction is derived from the electromagnetic force between two substances, but is it these forces, rather than actual "contact," that allows friction to take effect?
*Friction is known as a "contact force" that relies on contact between surfaces for frictional forces to act.
*In quantum mechanics, surfaces cannot be in "contact" with one another because of interactions of their atomic particles.
I know that friction is derived from the electromagnetic force between two substances, but is it these forces, rather than actual "contact," that allows friction to take effect?