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We’re on a roll!. The Physics of Rotation. Key Concepts …. Rotating masses possess rotational energy An object can have both kinetic and rotational energy Moment of Inertia measures distribution of mass wrt CM Two identical mass objects can have very different moments of inertia
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We’re on a roll! The Physics of Rotation
Key Concepts … • Rotating masses possess rotational energy • An object can have both kinetic and rotational energy • Moment of Inertia measures distribution of mass wrt CM • Two identical mass objects can have very different moments of inertia • Simple mathematical relationship links angular velocity to linear velocity as long as no skidding takes place