We will go into this equation in some detail in the rest of the chapter, but the important thing to notice now is that it is a vector, so it has magnitude and direction. "This" right hand rule is actu...We will go into this equation in some detail in the rest of the chapter, but the important thing to notice now is that it is a vector, so it has magnitude and direction. "This" right hand rule is actually related to the "first" right hand rule we learned in the last chapter for the direction of \(\vec{L}=I\vec{\omega}\), but the one presented here works for any cross product, whereas the other one is just for the angular momentum of an object.