I am currently reading through a document Finding Moments of Inertia from MIT, page 4, and I am a little confused as to one of the concepts that they use.(https://ocw.mit.edu/courses/mechanical-engineering/2-003j-dynamics-and-control-i-spring-2007/lecture-notes/lec11.pdf -- page 4).
In this document, there is mention of a mass moment. Could someone possibly define this for me please? I can't find anything too clear on the internetInternet. Is
Is this synonymous with the first moment of mass?