Center of Gravity
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“Why does a person carrying a weight upon his back stoop forward? In order to bring the center of gravity of his body and the load over his feet. If held in this position, he would fall backwards, as the direction of the center of gravity would fall beyond his heels.” — Wells, 1857
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General PhysicsSource
David A. Wells The Science of Common Things; A Familiar Explanation of the First Principles of Physical Science15
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