what is strain energy and explain briefly.........
Answers
Answer:
a molecule, strain energy is released when the constituent atoms are allowed to rearrange themselves in a chemical reaction. The external work done on an elastic member in causing it to distort from its unstressed state is transformed into strain energy which is a form of potential energy.
The unit of strain energy is the same as work - J (SI) and ft-lb (British). If the force P is gradually removed, the bar will shorten and at least a portion of the strain energy will be recovered in the form of work.
Strain energy is defined as the energy stored in a body due to deformation. The strain energy per unit volume is known as strain energy density and the area under the stress-strain curve towards the point of deformation. When the applied force is released, the whole system returns to its original shape.
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