Physics 111: Elementary Mechanics – Lecture 9 Carsten Denker NJIT Physics Department Center for Solar–Terrestrial Research.

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Physics 111: Elementary Mechanics – Lecture 9 Carsten Denker NJIT Physics Department Center for Solar–Terrestrial Research

October 31, 2006Center for Solar-Terrestrial Research Rotational Variables Radian Measure Angular Displacement Angular Velocity Angular Acceleration

October 31, 2006Center for Solar-Terrestrial Research Constant Angular Acceleration Are angular quantities vectors? Equations of motion for constant angular acceleration.

October 31, 2006Center for Solar-Terrestrial Research Relating Linear and Angular Variables Position Speed Acceleration (tangential) (radial) Period of Revolution

October 31, 2006Center for Solar-Terrestrial Research Kinetic Energy of Rotation rotational inertia kinetic energy system of particles solid body

October 31, 2006Center for Solar-Terrestrial Research Rotational Inertia

October 31, 2006Center for Solar-Terrestrial Research Parallel-Axis Theorem Let h be the perpendicular distance between the given axis and a parallel axis through the center of mass. If I com is the rotational inertia of the body about the parallel axis that extends through the body’s center of mass, then the rotational inertia I about the given axis is

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