Multiple Choice
Consider four uniform objects of equal mass and radius: (A) a solid sphere, (B) a solid cylinder, (C) a thin spherical shell, and (D) a thin ring, all rotating about their central axis. Which moment of inertia is the smallest?
Consider four uniform objects of equal mass and radius: (A) a solid sphere, (B) a solid cylinder, (C) a thin spherical shell, and (D) a thin ring, all rotating about their central axis. Which moment of inertia is the smallest?
A 12-cm-diameter DVD has a mass of 21 g. What is the DVD's moment of inertia for rotation about a perpendicular axis through the edge of the disk?