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Work and Energy

AB
Exert a force that causes an object to move a distanceDo work
Formula for workForce X Distance
Ability to do workEnergy
Energy Change Examplechemical to electrical to light
Stored EnergyPotential energy
Gravitational potential energy depends onthe height of the object
Elastic potential energyKind of potential energy used when shooting a rubber band
Kinetic energyEnergy of moving objects
Formula for Kinetic Energy(mass X velocity)squared/2
If mass increasesKinetic energy increases
If velocity decreasesKinetic energy decreases
Formula for potential energymass X acceleration due to gravity X height
Conservation of EnergyEnergy can neither be created or destroyed


Science Teacher
Hug High School
Reno, NV

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