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<strong>Work</strong> <strong>and</strong> <strong>Energy</strong><br />
Motion does not just mean the movement of an object from one<br />
place to another. When an object is compressed or stretched, the<br />
atoms within it are moved. Thus changes in the shape of an object<br />
constitute an exertion of force <strong>and</strong> thus result in work <strong>and</strong> energy<br />
transfers.