Chapter 5

Energy and Power


Learning Objectives

After studying this chapter, the reader will be able to:

  • Explain the difference between energy and power
  • Explain the units of energy and power
  • List the forms of energy
  • Describe the difference between kinetic energy and potential energy
  • Describe mechanical power
  • Explain electrical power
  • Discuss the difference between work and power

Key Terms

  • Energy
  • Joule
  • KW
  • KWh
  • Power
  • Watt
  • Watt’s Law
  • Watt-hour

Animations

All animations are in Adobe Flash format. Click link to play. To download, right mouse click on the animation and choose Save Link As and save it to your computer.

Energy In & Out

Energy At Work

Potential Energy

Fuels For Electricity

Potential and Kinetic Energy


Chapter Powerpoint

Coming Soon


Student Activities

Microsoft Word file format: Click activity to download. Open with Microsoft Word to edit. Save to your computer.

Building an HEV Battery Pack

Exercise Bicycle Efficiency

Kinetic Energy Observed Using Ramps

Walking Work and Power Calculated

Adobe Acrobat file format: Click activity to download. Open with Adobe Acrobat or Adobe Acrobat Reader to fill out. Save to your computer.

Building an HEV Battery Pack

Exercise Bicycle Efficiency

Kinetic Energy Observed Using Ramps

Walking Work and Power Calculated