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Transcript
Conservation of Energy Chapter 4 Section 2 Transforming Energy Energy can change from one form to another Examples: Electrical energy light, thermal energy, sound Chemical energy kinetic energy to move a car, thermal energy of a fire Light energy into chemical bonds (plants do this – what’s it called?) Conversions between kinetic and Potential Energy Mechanical energy is the total amount of potential and kinetic energy in a system and can be expressed by this equation: Mechanical energy = potential energy + kinetic energy It’s energy due to the position and motion of an object The Law of Conservation of Energy The law of conservation of energy states that energy cannot be created or destroyed. Energy can change from one form to another, but the total amount of energy never changes.
