Ch7 Energy Conservation (and not) Conservative and Non-Conservative Forces Types of Energy – Kinetic and Potential (a hidden mess!) Kinetic Translational.

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Ch7 Energy Conservation (and not) Conservative and Non-Conservative Forces Types of Energy – Kinetic and Potential (a hidden mess!) Kinetic Translational Kinetic Rotational Gravitational Potential Spring Potential Electric Potential Chemical Potential Thermal Why use energy? Interdisciplinary: biology, chemistry, technology, policy, etc. The Roller Coaster Problem

Problems The Roller Coaster Problem PhET Worksheet B4-CT28 Skidding to a Stop Masses over a Pulley Spring problem Gravity (escape speed) Jeopardy questions Power Ch7 Examples Physical situation Representation Narrative -- Transformations Conceptual – System, Before/After, friction, applied forces, etc.? Visual – Drawing, zero? Mathematical – Set up equations Solution Interpretation Units Limiting cases Reasonableness

Ch7 Potential Energy Diagrams Equations Stable vs. Unstable Turning Points SHO approximation Total Energy Kinetic Energy Gravitational Analogy Calculus

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