Learning From Real Springs
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Many springs do not obey Hooke's Law because they are constructed to have an intrinsic tension which must be overcome before normal elongation occurs. This property, well-known to engineers, is universally neglected in elementary physics courses. In fact it can be used to enhance learning and to deepen understanding of potential energy.
DepartmentPhysics and Astronomy
- Faculty Publications 
Bassichis, William (2013). Learning From Real Springs. Available electronically from