Question: Is more elastic potential energy stored in a spring when the spring is compressed by one centimeter than when it is stretched by the same amount? my conclusion: part of the definition in the book states that Elastic Potential Energy is the energy that a spring has by virtue of being stretched or compressed. going off this statement i would say that the answer is NO because the definition makes no differentiation between stretching and compressing. there is also some other discussion in the text that would believe me to believe that the EPE would be the same whether the spring is compressed or stretched. also, there is also only one formula in the book: PEe= 1/2kx2 am i right?