Some important definitions Acceleration-Rate of change of velocity Second order: (Re)=ieP+dje+(d+0jeP+RaUej0 d =Re+20e°+iRie-R0ea Angular Acc: a-0-do yAImaginary axis dv R Linear Acc: a== dt Real axis Some important definitions First order: d(Re)=Re+R (ej0)-ke+Roje dt Second order: (R e)=(R-RO)e+20R+Ry d 20Rj eo Tangential Acceleration: perpendicular to the radius of Rj e rotation. Normal Acceleration: R centripetal component at 180 to -RO-en the angle of the original pisiton vector 33 Acceleration- Rate of change of velocity Some important definitions 2 2 2 Second order: ( ) ( ) ( ) ( ) = 2 jj j j j j j jj d R e Re R j e RR j e R je j dt Re Rj e Rj e R e                                 Angular Acc: d dt       Linear Acc: d a R dt    v X Y O R  j j e j  Re   j R j e    j e  j Re   2 j R e     2 j Rj e     j Rj e    P 2 2 2 Second order: ( ) ( ) +(2 )        jj j      d Re R R e R Rje dt First order: ( ) ( )= d j jj j j R e Re R e j Re R j e dt             Some important definitions Tangential Acceleration: perpendicular to the radius of rotation. Normal Acceleration: centripetal component at 180 to the angle of the original pisiton vector