Acceleration - Speeding up, Newton - Unit of weight, Kilogram - Unit of mass, Balanced - 2 forces causing NO acceleration, Deceleration - Slowing down, Force - Transfer energy from one object to another, Weight - Force on a mass caused by gravity, Mass - How much "stuff" there is, Unbalanced - 2 forces causing acceleration, Upthrust - The upwards force on a hot air balloon,

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