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Work and energy

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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?
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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
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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.