Angular momentum or the magnitude of angular momentum is a concept in physics that represents the rotational motion of an object. It is defined as the product of the moment of inertia and the angular velocity. The formula for angular momentum is L = Iω, where L is the angular momentum, I is the moment of inertia, and ω is the angular velocity. The question asks which one of the following expressions does not represent momentum. The options are: 1. r x mv 2. r x p