细台形2幸院 antai Institute of Technology 刚体的运动 原城台好火维年馆 >线速度失量 TA=xAI+yAJ A TB TA/B =(xBI+yB])+(XA/Bi+ya/Bj) TA/B X =TB +TA/B Y B =(xBi+yB])+(xa/Bi+yA/Bj) diff. U仍 TB Z X VA TA=XA1+yAJ =亩+TA/B Z =(xBI+yB])+(XA/BI+yA/BJ) 66 刚体的运动 Ø 线速度矢量