Theresistanceexperiencedwhenonebodymovesoveranother,_____itisincontact,iscalledfrictionalforce.
A.to which B.where C.with which D.while正确答案C
Theresistanceexperiencedwhenonebodymovesoveranother,_____itisincontact,iscalledfrictionalforce.
A.to which B.where C.with which D.while正确答案C