Main content

Work and energy

Introduction to work and energyWork and energy (part 2)Conservation of energyWhat are energy and work?What is kinetic energy?What is gravitational potential energy?What is conservation of energy?Work and the work-energy principleWork as the transfer of energyWork example problemsWork as area under curveThermal energy from frictionWhat is thermal energy?Work/energy problem with frictionConservative forcesPowerWhat is power?
Intro to springs and Hooke's lawWhat is Hooke's Law?Potential energy stored in a springWhat is elastic potential energy?Spring potential energy example (mistake in math)LOL diagramsVertical springs and energy conservation
Introduction to mechanical advantageMechanical advantage (part 2)Mechanical advantage (part 3)

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.