Eli5 How the earth’s core doesn’t stop from the huge friction created between inner outer core?

Question

Eli5 How the earth’s core doesn’t stop from the huge friction created between inner outer core?

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Answer 1

What friction? the outer and inter-core are more at practically the same rate so there is no friction between them.

Technically is a small difference of a quarter of a turn in a century, but that is extremely low speed and the outer core is liquid metal so not a lot of friction