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Unformatted text preview: Chapter 12 Rotation of a Rigid Body 12.1 Rotational Motion 12.2 Center of Mass 12.3 Rotational energy 12.4 Moment of Inertia 12.5 Torque 12.6 Rotational dynamics 12.7 Rotation about a fixed axis 12.8 *Rigidbody equilibrium 12.9 Rolling Motion Stop to think 12.1 page 342 Stop to think 12.2 page 350 Stop to think 12.3 page 353 Stop to think 12.4 page 357 Stop to think 12.5 page 364 Example 12.2 page 343 Example 12.5 page 348 Example 12.7 page 349 Example 12.14 page 359 Example 12.16 page 361 The great Downhill Race Page 395 Angular velocity and angular acceleration Angular velocity The sign convention is that is positive for counterclockwise (ccw) rotation, negative for clockwise (cw) rotation. Angular acceleration d d t = d dt = 2 2 t r V a r r = = t a r = Here is angular acceleration Angular velocity and acceleration Question: (1) What is the angular speed of ladybug1 (2) What is the ratio of linear speed of ladybug2 to ladybug1 (3) What is the ratio of the centripetal acceleration of ladybug2 to ladybug1 The sign of angular velocity and acceleration The center of mass...
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This note was uploaded on 04/18/2010 for the course PHYS ? taught by Professor Zhou during the Spring '10 term at Georgia State University, Atlanta.
 Spring '10
 ZHOU

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