Mastering Energy Conservation (KE, PE, Work) | HS-PS3-1 Computational Models | 10th Grade

Описание: Why does a roller coaster car slow down? Where does the "lost" energy actually go? And how can a car's speed make a crash four times more dangerous, not just two?Welcome to the Tutor Consortium! This video is a complete, in-depth guide to US Common Core standard HS-PS3-1 for 10th-grade Physical Science. This standard isn't just about saying "energy is conserved." It's about proving it. The standard asks you to "Create a computational model to calculate the change in the energy of one component in a system when the changes in energy of the other component(s) and energy flows in and out of the system are known."That sounds complicated, but we'll break it down into simple, powerful steps. We are going to become "energy accountants." Our job is to track every single Joule of energy as it transforms and moves. We'll build the "computational models" (the formulas) for Kinetic Energy ($KE$), Gravitational Potential Energy ($PE_g$), and Elastic Potential Energy ($PE_e$).Most importantly, we will define what a "system" is, and show how the real physics happens when systems aren't isolated—when energy is "lost" to friction and heat. This is the complete guide to understanding energy transformation and conservation.

🔬 About This Lesson (Common Core Alignment)
This video is specifically designed to meet the US Common Core Performance Expectation HS-PS3-1: "Create a computational model to calculate the change in the energy of one component in a system when the changes in energy of the other component(s) and energy flows in and out of the system are known."

This lesson is perfect for 10th-grade students in Physical Science or introductory Physics, as well as any high school student needing a clear and comprehensive review of energy, work, and conservation.

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