Sunday, November 13, 2011

Conservation


According to a concept called conservation of momentum, momentum is like matter in the sense that it cannot be formed or destroyed out of nowhere. During a collision in a closed system, the momentum of each object in the system is equal and opposite of each other. If the momentum of one object is 4 kg*m/s, the momentum of the other object would be -4 kg*m/s. As seen in these photographs, a pair of remote controls collided into each other. When the objects push on each other, their final positions are practically mirrors of one another. In this instance, objects with the same mass and the same change in velocity will have the same magnitude of momentum.

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