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