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Physics Energy Vocab

QuestionAnswer
Work The product of the force on an object and the distance through which the object is moved. (Force is consistant, motion is in a straight line in the same direction as the force). Messured in Joules (J).
Power Rate at which work is done or energy is transformed, equal to the work done or energy transformed divided by the time. Measured in Watts.
Energy The property of an object or a system that enables it to do work. Measured in Joules (J).
Joules The SI unit of work and all other forms of energy. One J of work is done when 1Nx1m in the direction of the force.
Watt The SI unit of Power. One Watt is expended when 1J of work is done in one second.
Mechanical Energy Energy possessed by an object due to position or movement.//ALL ENERGY//
Work-Energy Therom States that when work is done on an object, the result is change in kinetic energy. (W=deltaKE)
Gravitational Potential Energy of an object is due to its position relitive to the Earth's surface/floor. It is due to Earth's gravity. Path doesn't matter, only height. It comes about when you do work against gravity.
Potential Energy is the energy of an object due to its position. It is the "stored up" energy.
Law of Conversion of Energy. Energy can neither be created or destroyed. Energy always changes from one form to another. Total engergy of an object remains the same.
Kinetic Energy of an object is due to its motion, moving objects have kinetic energy.
Renewable Sources Sources of energy that can be renewed like: biomass, water, solar, and geothermal.
Nonrenewable Sources Sources of energy that cannot be renewed like: coal, nuclear fuel, and natural gas.
Created by: darkangelcat
 

 



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