What is meant by elastic potential energy? Derive an expression for elastic potential energy per unit
volume of a stretched wire.
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=AY2Ll2. Which is the elastic potential energy stored in wire. ∴U=AY2Ll2. ∴ Energy stored per unit volume =ULA. =12Yl2L2.
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What is meant by elastic potential energy?
answer = Elastic potential energy is energy stored as a result of applying a force to deform an elastic object. The energy is stored until the force is removed and the object springs back to its original shape, doing work in the process. The deformation could involve compressing, stretching or twisting the object.
Explanation:
Derive an expression for elastic potential energy per unit
volume of a stretched wire.
answer= Hooke's Law, F = -kx, where F is the force and x is the elongation. The energy stored can be found from integrating by substituting for force, and we find, The energy stored = kx2/2, where x is the final elongation.
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