potential and kinetic energy
DESCRIPTION
Based on Work and Energy Transformations; Kinetic, Potential Energy and Law of Conservation of Energy Adapted from site found on InternetTRANSCRIPT
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Bellwork:Bellwork:List 6 different examples of energy.
example: food; fire…
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Potential and Kinetic EnergyPotential and Kinetic Energy
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How is all energy divided?How is all energy divided?
PotentialEnergy
KineticEnergy
All Energy
GravitationPotentialEnergy
ElasticPotentialEnergy
ChemicalPotentialEnergy
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What is *Potential Energy?What is *Potential Energy?
o *Energy that is *Energy that is stored and waiting stored and waiting to be used laterto be used later
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What is *Gravitational Potential What is *Gravitational Potential Energy?Energy?
o *Potential energy *Potential energy due to an object’s due to an object’s positionposition
o P.E. = mass xP.E. = mass x height x height x
gravitygravity
Don’t look down, Rover!
Good boy!
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What is *Elastic Potential What is *Elastic Potential Energy?Energy?
o *Potential energy due compression or *Potential energy due compression or expansion of an elastic object.expansion of an elastic object.
Notice the ball compressingand expanding
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What is *Chemical Potential What is *Chemical Potential Energy?Energy?
o *Potential energy *Potential energy stored within the stored within the chemical bonds chemical bonds of an objectof an object
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What is *Kinetic Energy?What is *Kinetic Energy?
o *Energy an object has *Energy an object has due to its motiondue to its motion
o K.E. = .5(mass x K.E. = .5(mass x speedspeed22))
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*Kinetic Energy*Kinetic Energy
*Kinetic Energy increases with *Kinetic Energy increases with speed. speed.
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Kinetic EnergyKinetic Energy
*Kinetic Energy increases with *Kinetic Energy increases with mass.mass.
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Law of Conservation of EnergyLaw of Conservation of Energy
*The Law of Conservation of *The Law of Conservation of Energy states:Energy states: *Energy is never created or *Energy is never created or
destroyeddestroyed *Energy is simply converted from *Energy is simply converted from
one form to anotherone form to another (also called the First Law of (also called the First Law of
ThermodynamicsThermodynamics))
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Law of Conservation of EnergyLaw of Conservation of Energy
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Your turn…Your turn…List on your notes: List on your notes:
Six examples of potential energySix examples of potential energy
Six examples of kinetic energySix examples of kinetic energy
Thank you for your attention today!!!Thank you for your attention today!!!