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12 votes
Which of the following would have the smallest coefficient of kinetic friction when slid along your hang.

a Bar of Soap
carpet
sand paper

User Joakimja
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2 Answers

8 votes
Soap is the obvious choice
User Auskennfuchs
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4.9k points
12 votes
A soap bar because the material of a carpet or sandpaper is more rough than a soapbar and thus has a higher coefficient of friction.
User SaRiD
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