Question

Give two examples to show that a a vibrating body make the another body in his contact to vibrate

Answer 1

resonance occurs when two interconnected objects share the same vibrational frequency. When one of the objects is vibrating, it forces the second object into vibrational motion. The result is a large vibration.

A pendulum is a classic example of an object that is considered to vibrate.

another example could be musical Instruments.