Chapter Objectives:

• Define and describe work.
• Define and describe power.
• Define mechanical energy.
• Define potential energy.
• Define kinetic energy and describe the work-energy theorem.
• State the law of conservation of energy.
• Describe simple machines and mechanical advantage.
• Explain why no machine can have an efficiency of 100%.
• Describe the role of energy in living organisms.

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Chapter Terms:

• work
• energy
• kinetic energy
• potential energy
• work-energy theorem
• conservation of energy
• machine
• conservation of energy for machines
• efficiency

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Chapter Formulas:

W = Fd

Power = work/time

Kinetic Energy = K_e = ½ mv²

Work = ΔKe

Chapter Outline Framework:

• Work
• Power
• Mechanical Energy
  • Potential Energy
  • Kinetic Energy
  • Work-Energy Theorem
• Conservation of Energy
• Machines
• Efficiency
• Comparison of Kinetic Energy and Momentum
• Sources of Energy
• Energy for Life

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