5. A cylinder has a mass of 4 kg and a radius 0.1 m. What is the moment of inertia about an axis parallel to the length and passing through the centre? Find also the moment of inertia about an axis, parallel to the above axis and 0.08 m away from it.
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The moment of inertia must be specified with respect to a chosen axis of rotation. For a point mass, the moment of inertia is just the mass times the square of perpendicular distance to the rotation axis, I = mr2.
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