Which one of the following statements does not accurately describe vibrations?

a. forced vibrations, such as those between a tuning fork and a large cabinet surface, result in a much lower sound than was produced by the original vibrating body.
b. two bodies with the same vibration frequency that are placed next to each other will exhibit sympathetic vibrations as one body causes the other to vibrate.
c. a non-vibrating object can begin to vibrate as a result of forced vibrations.
d. resonance occurs as a result of sympathetic vibrations.