Lecture_13

Lecture_13 - P123 Lecture 13 3DEC 2010 TORQUE AND...

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Unformatted text preview: P123 Lecture 13 3DEC 2010 TORQUE AND ROTATIONAL DYNAMICS REVIEW Center of Mass: Motion of CM M x m cm i i i x M r m cm i i i r P d Motion of CM Rigid Body Rotation i cm ext dt P d a M F s dt d t t av ; 1 2 1 2 r For Constant Angular Acceleration: 2 2 1 2 1 2 ; dt d dt d t t av t t t 2 2 1 const. 1 t z o 2 1 2 2 2 2 i Clicker 2 ENERGY OF ROTATIONAL MOTION For Rigid Body (or collection of objects with rigid relative positions) i i r v But where is distance from axis of rotation r where is distance from axis of rotation Total Kinetic Energy: i i i K K Rotational Kinetic Energy 3 [NOTE: I is taken about axis of rotation] EXAMPLE : Isolated Masses Isolated Masses Close together: 2...
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This note was uploaded on 03/14/2011 for the course P 123 taught by Professor Stevens during the Spring '11 term at Rust.

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Lecture_13 - P123 Lecture 13 3DEC 2010 TORQUE AND...

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