girl1729 girl1729

19-07-2019
Engineering

contestada

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

Respuesta :

A1peakenbe A1peakenbe

23-07-2019

Answer:

Answer is c. 2

Explanation:

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

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