← Unit 7: Torque and Rotational Motion
Moment of Inertia & Angular Momentum
Moment of inertia is the rotational analog of mass — it depends on both mass and how that mass is distributed relative to the axis of rotation.
Overview
A mass farther from the rotation axis contributes more to moment of inertia (I) than the same mass closer in — this is why a figure skater spins faster when pulling their arms in (reducing I, conserving angular momentum L=Iω).
Practice Quiz
Practice questions for this topic are coming soon.
Check back soon, or explore other units in the meantime.
← Unit 7: Torque and Rotational Motion