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→About Hooke's Law
| style="height:20px; width:200px; text-align:left;" |When a [[weight]] is added the spring [[Extension|extends]]. If the [[weight]] is doubled the [[extension]] is also doubled.
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: [[Elastic]] [[object]]s have an [[Elastic Limit]]. This means if the [[force]] is too big they stop obeying '''Hooke's Law''' and start to [[Deformation|deform]] [[Plastic (Property)|plastically]]so they will not return to their original shape.
===Equation===