Main content

Torque and angular momentum

Angular motion variablesRelating angular and regular motion variablesRelationship between angular velocity and speedRotational kinematic formulas
Introduction to torqueMomentsMoments (part 2)Finding torque for angled forcesTorqueRotational version of Newton's second lawMore on moment of inertiaRotational inertiaRotational kinetic energyRolling without slipping problemsAngular momentumConstant angular momentum when no net torqueAngular momentum of an extended objectBall hits rod angular momentum exampleCross product and torque

About this unit

Everything you've learned about motion, forces, energy, and momentum can be reused to analyze rotating objects. There are some differences, though. Here, you'll learn about rotational motion, moments, torque, and angular momentum.