The following are ways of reducing friction except A. Using rollers B. Making surfaces rough C. Using lubricants D. Use of ball-bearings

      


The following are ways of reducing friction except

A. Using rollers
B. Making surfaces rough
C. Using lubricants
D. Use of ball-bearings

  

Answers


Martin
The correct answer is B. Making surfaces rough
marto answered the question on October 16, 2019 at 10:16


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