Work Energy One of the most important concepts in physics Alternative approach to mechanics Many applications beyond mechanics Thermodynamics(movement of heat Quantum mechanics ery useful tools You will learn new(sometimes much easier) ways to solve problems Physics 121: Lecture 12, Pg 3Physics 121: Lecture 12, Pg 3 Work & Energy One of the most important concepts in physics. Alternative approach to mechanics. Many applications beyond mechanics. Thermodynamics (movement of heat). Quantum mechanics... Very useful tools. You will learn new (sometimes much easier) ways to solve problems