Question

3) both
4) none
Frictional force is independent of
1) Irregularities 2Normal force​

Answer 1

Answer:

Hi mate your answer is

Irregularities

Answer 2

Answer:

The force due to friction is generally independent of the contact area between the two surfaces. Note that this relationship breaks down when the surface area gets too small, since then the coefficient of friction increases because the object may begin to dig into the surface

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