# data[].attributes.body
when a force that's applied to an object moves that object, not the same as effort

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A vector quantity, the time rate of change of position.

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an object that is moving in a specific direction at a constant speed

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as energy is transferred or transformed more and more of it is wasted.

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stored energy

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the total of energy of an isolated system remains constant

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Energy that is in motion

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energy that spontaneously passes between systems and its surroundings

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an object's mass multiplied by it's acceleration

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heat/energy added to a system= heat + work
work done to a system= work + heat

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The ability to do work

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the energy output divided by the energy output, it is expressed in a percent

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The rate of change of velocity per unit or time