# Gyroscopic stability of the yo-yo

by boarder007
Tags: yoyo
 Emeritus Sci Advisor PF Gold P: 5,532 1. What kind of equipment do you have for measuring? Perhaps a video camera that has a slow motion playback? 2. Are you familiar with Newton's second law in rotational form? $$\vec{\tau}_{NET}=\frac{d\vec{L}}{dt}$$