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

Crankshafts & Rotational Moments Of Inertia. Charles H. Jenckes Writer Jim McFarland Writer Mar 01, ... So, for example, trimming weight from a crankshaft's counterweights reduces its overall MOI, ...

Let me go ahead and show one of my favorite moment of inertia demos - a demo that you can do on your own. For this example, I have two sticks (I used PVC pipes) and some masses (juice boxes).

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).