When we stretch a wire , why do we have to perform work?what happens to the energy given to the wire in this case?
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when we stretch a wire it's configuration changes which causes change in potential energy of wire ,hence to change its potential energy we have to do work against the internal force or elasticity of wire
The energy given to the wire is used to change its potential energy by changing its configuration.
The energy given to the wire is used to change its potential energy by changing its configuration.
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