The area moment of inertia (also called the second moment of area) defines the resistance of a cross-section to bending, due ...

Servomotor Measures Its Own Inertia Load. Feb. 17, 2009. ... Matt Pelletier. The moment of inertia of the load is a key measure for sizing and tuning servomotors.

MOI is an acronym that stands for “moment of inertia.” This measurement (grams per centimeter squared) shows how much resistance a clubhead has to twisting.