阳台理：华优 antai Institute of Technology 刚体的运动 原城台好火维年航 A=馆+AB =(xB1+yB])+(xi/Bi+yi/Bi)+(xA/B i+yA/Bj) =xA/B(⑥×)+yA/B(而×) 1o1=0 Magnitude: ldel lelsingde e=lelsinge=lellulsin lel sin Direction: de⊥e de⊥ e(t+△t) 〉è=0×e 77 刚体的运动