Question

how does the force of friction change with an increase in the area in contact​

Answer 1

Answer:

Yes

Explanation:

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Answer 2

Answer:

Greater contact area means greater frictional force. If the contact area is proportional to the normal force, then this looks just like Amontons' Law with the frictional force proportional to the normal force. Of course this model "breaks" when the contact area can no longer increase.