Publisher's Synopsis
Excerpt from Statically Indeterminate Structures and the Principle of Least Work
Hence it is a case of stable equilibrium Whilst the others are unstable. It will be noted that the stable form is the least bent one, and as the work stored in a ?at spring increases with the amount of bending, it is obvious that the work stored up as potential energy is less in the stable than in the unstable conditions of equilibrium.
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