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Identify the incorrect statement if any

[A].	In case of free vibrations the external force is applied at the ends only	[B].	Damping is resistance to the oscillartion
[C].	When the frequency of the external exciting force coincides with the natural frequency of the system, state of resonance is reached	[D].	Forced vibrations are independent of natural frequency of vibration
[E].	None of the above

Answer: Option A