question_answer

If \[{{\mu }_{\kappa }}\]is coefficient of kinetic friction and \[{{\mu }_{s}}\] is coefficient of static friction, then

A)  \[{{\mu }_{\kappa }}<{{\mu }_{s}}\]                                        

B)  \[{{\mu }_{s}}<{{\mu }_{\kappa }}\]

C)  \[{{\mu }_{\kappa }}={{\mu }_{s}}\]                      

D)         \[{{\mu }_{s}}\le {{\mu }_{\kappa }}\]