The coefficient of friction between two perfectly smooth surface is

Assessment: JAMB UTME - Physics - 2013 Subject: Physics

Question 1 Report

The coefficient of friction between two perfectly smooth surface is
Answer Details
The coefficient of friction between two perfectly smooth surfaces is zero. This is because friction is the force that opposes motion between two surfaces in contact, and it arises due to irregularities in the surfaces that create interlocking between them. In the case of perfectly smooth surfaces, there are no irregularities or interlocking, so there is no friction. Therefore, the correct option is "zero".
Read lesson note on Friction (JAMB)
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