Question

what make these strings vibrate

Answer 1

Resonance causes a vibrating string toproduce a sound with constant frequency, i.e. constant pitch. If thelength or tension of the string is correctly adjusted, the sound produced is a musical tone. Vibrating strings arethe basis of string instruments such as guitars, cellos, and pianos.

Answer 2

Resonance causes a vibrating string to produce a sound with constant frequency, i.e. constant pitch. If the length or tension of the string is correctly adjusted, the sound produced is a musical tone. Vibrating strings are the basis of string instruments such as guitars, cellos, and pianos.