Main content

Torque and angular momentum

Introduction to rotational motion

Learn
Angular motion variables
(Opens a modal)
Relating angular and regular motion variables
(Opens a modal)
Introduction to rotational motion review
(Opens a modal)
Practice
Angular and tangential accelerationGet 3 of 4 questions to level up!

Angular kinematics

Learn
Rotational kinematic formulas
(Opens a modal)
Angular kinematics review
(Opens a modal)
Practice
Using rotational kinematic formulasGet 3 of 4 questions to level up!

Torque and equilibrium

Learn
Introduction to torque
(Opens a modal)
Finding torque for angled forces
(Opens a modal)
Torque and equilibrium review
(Opens a modal)
Practice
Calculating torqueGet 3 of 4 questions to level up!
Equilibrium and applied force Get 3 of 4 questions to level up!

Rotational inertia and angular second law

Learn
Rotational version of Newton's second law
(Opens a modal)
Rotational inertia and angular second law review
(Opens a modal)
Practice
Predicting rotational inertia Get 3 of 4 questions to level up!
Angular acceleration and angular second lawGet 3 of 4 questions to level up!

Rotational kinetic energy

Learn
Rotational kinetic energy
(Opens a modal)
Rolling without slipping problems
(Opens a modal)
Rotational kinetic energy review
(Opens a modal)
Practice
Rotational kinetic energyGet 3 of 4 questions to level up!

Angular momentum and angular impulse

Learn
Angular momentum
(Opens a modal)
Angular momentum and angular impulse review
(Opens a modal)
Practice
Angular momentum calculationsGet 3 of 4 questions to level up!
Angular impulse calculationsGet 3 of 4 questions to level up!

Conservation of angular momentum

Learn
Conservation of angular momentum
(Opens a modal)
Ball hits rod angular momentum example
(Opens a modal)
Conservation of angular momentum review
(Opens a modal)
Practice
Predicting changes in momentum during collisionsGet 3 of 4 questions to level up!
Conservation of angular momentum calculationsGet 3 of 4 questions to level up!

Gravitational potential energy at large distances

Learn
Gravitational potential energy at large distances
(Opens a modal)
Gravitational potential energy at large distances review
(Opens a modal)
Practice
Calculating gravitational potential energy of a systemGet 3 of 4 questions to level up!
Gravitational potential energy and conservation of angular momentumGet 3 of 4 questions to level up!

About this unit

Everything we've learned about motion, forces, energy, and momentum can be reused with a few tweaks to analyze rotating objects. In this lesson, you'll learn about rotational motion, rotational inertia, torque, and angular momentum.