energy & power energy conversion & conservation chapter 5 section 2
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Energy & Power
Energy Conversion & Conservation
Chapter 5
Section 2
Energy Conversion
• Any form can be converted into any other form of energy
Toaster
• Electrical – Thermal
Your Bodies
• Chemical Energy – Kinetic Energy– Thermal Energy
Rubber Band
• Elastic Potential Energy – Kinetic Energy
Spark Plug
• Chemical Energy – Electrical Energy
• Thermal Energy – Mechanical Energy
Match
• Chemical Energy – Thermal Energy
Niagara Falls Hydroelectricity
• Gravitational Potential Energy – Mechanical Energy
• Electrical Energy
Juggling
• Kinetic Energy – Potential Energy
• Kinetic Energy
Pole Vault
• Kinetic Energy – Elastic Potential Energy
• Gravitational Potential Energy Kinetic Energy
Pendulum
• Kinetic Energy – Potential Energy
• Kinetic Energy
Law of Conservation of Energy
• Energy can be transferred– But never…
• Created• Destroyed
Perpetual Motion
• Impossible!!!– All motion will have some…
• Air resistance• friction
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