Chapter 5
Work and Energy
Work and power, kinetic, gravitational and elastic potential energy, and the law of conservation of energy.
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5.1 Work
Try it yourself
🔬 Energy Skate Park: Basics
Send a skater along a track and watch kinetic, potential, thermal, and total energy in real time.
Try this: Build your own track shape, and turn friction on and off.
Look for: With friction off, watch the total energy bar stay constant while kinetic and potential trade off — that's conservation of energy.
Simulation by PhET Interactive Simulations, University of Colorado Boulder — licensed CC BY-NC. View on phet.colorado.edu ↗