lec08-203-011rot-kin-post

lec08-203-011rot-kin-post - = t = t o t = + 2 1 2 o o t t =...

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Unformatted text preview: = t = t o t = + 2 1 2 o o t t = + + 2 2 2 ( - ) o o = [ ] t Lim t = [ ] t Lim t = [ ] t v a Lim t = [ ] t x v Lim t = 2 2 2 ( - ) o o v v a x x = 2 1 2 o o x x v t at = + + o v=v +at v a= t x x v= t 1 [ ] sec sec rev Hz = = 1 f T = 2 f = Rotational motion Translational Motion + ccw- cw [radians] rad 1 [ = ] sec s 2 rad s const. acceleration instantaneous quantities 8-0 [m] [m/s] [m/s 2 ] direction 8-1 CM moves at constant v along dotted line. Rotation about CM at constant angular speed . in general rotation + translation every where consider just rotation about an axis CM moves with parabolic trajectory. Rotation about CM at constant angular speed . Axis of rotation r object Rotational Kinematics 8-2a l t l r = radians l 1 t r t = = 1 v r = v r = C. Clockwise (+) Clockwise (-) l 1 d d v dt r dt...
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lec08-203-011rot-kin-post - = t = t o t = + 2 1 2 o o t t =...

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