Peoples Physics Book Version-3

9.1. The Big Idea http://www.ck12.org

MEDIA

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torques produce changes in angular momentum; this is the rotational analog ofF= 4 p/ 4 t

K= 1 / 2 Iω^2

angular motion counts for kinetic energy as well!

MEDIA

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MEDIA

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MEDIA

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Rotational Motion Problem Set

1. The wood plug, shown below, has a lower moment of inertia than the steel plug because it has a lower mass.