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Unformatted text preview: rotational mass or moment of inertia of the rigid body, I ≡ Σ i m i r i ⊥ 2 (discrete system) I = ∫ r ⊥ 2 dm (continuous system) Often I is found by the parallel-axis theorem . The kinetic energy is given the name rotational kinetic energy, K rot = ½ I ϖ 2 . EXAMPLES[in class]...
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