13. Rotational Inertia & Energy
Intro to Moment of Inertia
Multiple Choice
Multiple ChoiceThe figure shows all the forces acting on a solid disk of diameter . What is the magnitude of the disk's angular acceleration? ![A disk has a diameter of 4.0 centimeters. A force of 30 newtons is applied rightward on its topmost point. A force of 20 newtons is applied rightward on its bottommost point. The axle is at the center.](https://media.pearsoncmg.com/aw/aw_knight_physics_5/msa/content/practice-test/img/ex12_18_figure.jpg)
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