Main content

# Work and energy

Learn

Work example problemsWork as area under curveIntroduction to work review

Practice

Calculating work from force vs. position graphsGet 3 of 4 questions to level up!

Calculating work done by a forceGet 3 of 4 questions to level up!

Learn

What is kinetic energy?Kinetic energy review

Practice

Using the kinetic energy equationGet 3 of 4 questions to level up!

Learn

Work and the work-energy principleWork-energy theorem review

Practice

Calculating change in kinetic energy from a forceGet 3 of 4 questions to level up!

Velocity and mass from force vs. position graphsGet 3 of 4 questions to level up!

Learn

Conservative forcesGravitational potential energy and conservative forces review

Practice

Finding change in gravitational potential energyGet 3 of 4 questions to level up!

Learn

Intro to springs and Hooke's lawPotential energy stored in a springSpring potential energy and Hooke's law review

Practice

Calculating spring force Get 3 of 4 questions to level up!

Calculating elastic potential energyGet 3 of 4 questions to level up!

Learn

Law of conservation of energyLOL diagramsConservation of energy review

Practice

Conservation of energy: Predict changes in energy Get 3 of 4 questions to level up!

Conservation of energy: Numerical calculationsGet 3 of 4 questions to level up!

Learn

PowerPower review

Practice

Relating power and energyGet 3 of 4 questions to level up!

### About this unit

"Energy" is a word that's used a lot. Here, you'll learn about how it's one of the most useful concepts in physics. Along the way, we'll talk about work, kinetic energy, potential energy, conservation of energy, and mechanical advantage.AP® is a registered trademark of the College Board, which has not reviewed this resource.