> [!summary] Energy is a conserved quantity and tells you the capacity a system has to change. >[!info]+ Read Time **⏱ 1 min** # Definition Energy is always a conserved quantity. It tells you how much change a system is capable of making. Or the capacity to do [[Work|work]]. It's a scalar quantity measured in [[Joule|joules]] Energy is described by the situation a system is in. For example, an object falling due to gravity will have [[Gravitational Potential Energy|gravitational potential energy]]. Or pushing a box will have [[Kinetic Potential Energy & Work-Energy Theorem|kinetic energy]]. # Resources <iframe width="560" height="315" src="https://www.youtube.com/embed/u36H4Uo3rPM?si=7RNPVcXFIl3t-0Tr" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe> --- <!-- Light Mode Newsletter Embed --> <div class="mm-form-light"> <iframe src="https://updates.cyberleadhub.com/widget/form/Y0kpQVpjJQuxEfX59m17" id="inline-Y0kpQVpjJQuxEfX59m17" title="Join Math & Matter Newsletter (Light)" data-height="900" scrolling="no" allowtransparency="true" loading="lazy" style="width:100%;height:350px;border:none;border-radius:10px;background:transparent;overflow:hidden" ></iframe> </div> <!-- Dark Mode Newsletter Embed --> <div class="mm-form-dark"> <iframe src="https://updates.cyberleadhub.com/widget/form/lbeDLm24VjuaFxhjccA1" id="inline-lbeDLm24VjuaFxhjccA1" title="Join Math & Matter Newsletter (Dark)" data-height="900" scrolling="no" allowtransparency="true" loading="lazy" style="width:100%;height:350px;border:none;border-radius:10px;background:transparent;overflow:hidden" ></iframe> </div> <!-- Provider script (only once) --> <script src="https://updates.cyberleadhub.com/js/form_embed.js"></script>