1.

Define potential energy. Deduce the expression of potential energy of astretched spring.16.

Answer»

potential energyis theenergypossessed by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.

Spring Potential Energy

Since the change inPotential energyof an object between two positions is equal to theworkthat must be done to move the object from one point to the other, the calculation of potential energy is equivalent to calculating the work. Since the force required to stretch a spring changes with distance, the calculation of the work involves anintegral.

then the work done to stretch the spring a distance x is



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