The coefficient of friction between two perfectly smooth surface is? by Sunday | Nov 8 | Physics JAMB | 0 comments A. infinity B. one C. half D. zero Correct Answer: Option D – zero Users Also Read These:If an object just begins to slide on a surface…A force of 20 N applied parallel to the surface of a…A 500N box rests on a horizontal floor. A constant…An object of mass 80kg is pulled on a horizontal…The distance between two successive crests of a…