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Published byKatherine Blake Modified over 5 years ago

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Potential & Kinetic Energy

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Energy The ability to do work The ability to cause matter to move The ability to cause matter to change Measured in joules & calories

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Types of Energy Radiant (light, electromagnetic) Nuclear (atomic) Mechanical Heat (thermal) Sound Chemical You will see other types or forms of energy in books and on the Internet

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Energy can be divided into two general categories: Potential Kinetic

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Potential Energy Stored energy Energy of position The amount of usable energy in a body at rest Sometimes called GRAVITATIONAL POTENTIAL ENERGY

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Potential Energy Can be calculated mathematically PE = (weight) (height)

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Potential energy can be increased by: Increasing height Increasing mass

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Example

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Kinetic Energy Energy of motion Energy an object has because it is moving

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Kinetic Energy Can be calculated mathematically KE = (mass x velocity2)/2

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Kinetic energy can be increased by: Increasing mass Increasing speed

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Example

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Another Example

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