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| 1. |
The potential energy of a spring |
| Answer» {tex}\\eqalign{ & PE = 0 \\cr & PE = {1 \\over 2}k{x^2} \\cr} {/tex}Potential energy stored in spring is as a result of deformation of an elastic object, such as the stretching of a spring. It is equal to the work done to stretch the spring, which depends upon the spring constant k as well as the distance stretched.Potential energy is zero for unstretched spring. | |