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Chapter 3

Energy and Energy Transformations

QuestionAnswer
energy the ability to cause change
kinetic energy energy due to motion
potential energy stored energy due to the interactions between objects or particles
work the transfer of energy that occurs when a force makes an object move in the direction of the force while the force is acting on the object
mechanical energy the sum of potential energy and kinetic energy in a system of objects
sound energy the energy that sound carries
thermal energy the sum of kinetic energy and potential energy of the particles that make up an object
electric energy the energy an electric current carries
radiant energy the energy that electromagnetic waves carry
nuclear energy energy that is stored and released in the nucleus of an atom
law of conservation of energy energy can be transformed from one form into another or transferred from one region to another, but energy cannot be created or destroyed
friction a force that resists the sliding of two surfaces that are touching
Created by: tduvall