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Potential and Kinetic EnergyPotential and Kinetic Energy
How is all energy divided?How is all energy divided?
PotentialEnergy
KineticEnergy
All Energy
GravitationPotentialEnergy
ElasticPotentialEnergy
ChemicalPotentialEnergy
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
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!
What is Elastic Potential What is Elastic Potential Energy?Energy?
o Potential energy due compression Potential energy due compression or expansion of an elastic object.or expansion of an elastic object.
Notice the ball compressingand expanding
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
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))