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Results tagged with spring
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user 187010
An object such as a metal coil or air-filled tube which provides a force opposing the direction of deformation.
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Why is the potential energy of spring negative while it's positive for a dipole?
Potential Energy is the work done against the conservative force
As the definition suggests , for a spring
$$
U= -\int F \cdot \mathrm{d}x
\,.$$
But for a dipole placed in an electric field
$$
U= …
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