The area moment of inertia (also called the second moment of area) defines the resistance of a cross-section to bending, due to the shape of the cross-section. It is a key parameter for the ...

Figure 2 Rotary Motion where the torque applied to an object is equal to its moment of inertia about the rotation axis multiplied by its rotary acceleration. Source: John Dunn. In a rotary motor, the ...

Moment of inertia is different than mass, but I like to call it the "rotational mass". What does mass do? Things with larger mass are more difficult to change their motion (translational motion).

On Aug. 30, 2005, the USGA published a proposal to implement a test and limit for clubhead moment of inertia (MOI). The USGA Equipment Standards Committee received detailed written comments from ...