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Coefficients of friction always involve how many materials? a. 0 b. 1 c. 2 d. 3
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Coefficients of friction always involve how many materials? a. 0 b. 1 c. 2 d. 3

User Ndreisg
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1 Answer

4 votes

Answer:

Answer is c. 2

Step-by-step explanation:

Since friction is present at the contact between 2 materials thus coefficient of friction always involve 2 materials

User Just Some Guy
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