细台形2幸院 antai Institute of Technology 刚体的运动 原城台家父维缆 VA=(xBi+yB])+(xi/Bi+yi/Bi)+x (xA/Bi+yA/B) =(XB1+yB)+(xA/B1+yABi)+而×(&A/Bi+yA/B) → a=店+re+西XTA/B A/B “relative”velocity o Thus, Po AVo AVB ORG+R Vo+AQB xR Po TA/B x “relative”velocity (B) (A} X Z 88 刚体的运动