Well the strings do the vibrating. But those vibrations are transferred through the saddle and bridge (the parts that connect the strings to the body) into the body wood which creates the acoustics and amplify the sound. It is then expelled through the sound hole in the front.
If you're using an Electric Guitar the pickups directly under each string will pickup the sounds and transform that into an electrical signal that sounds like a guitar or whatever effect you're using.
All of it, but principally the strings and the box (which responds in resonance with the vibrations of the strings).
When it is on the guitar, the vibrating string makes the guitar vibrate with it.
The "electronic" of the keyboard which is hit by the keys touching it.
Resonance can occur when an object vibrates at another objects resonant frequency.
Transverse Wave
The difference between a normal guitar and a junior guitar is primarily its size. A Junior guitar is shorter and about three quarters the size of a normal guitar.
The strings.
It's a common misperception that the body of the guitar vibrates to create the sound. Actually it the column of sound around the guitar and in the guitar which vibrates to create the sound. When you vibrate the strings, the air around it vibrates causing the air in the guitar to vibrate.
the waves
When you strum the strings, it vibrates and the sound echoes in the hollow part of the guitar
It vibrates in a specific frequency.
this happens by the part that looks like a guitar,it vibrates the sound while your playin the violin
When it is on the guitar, the vibrating string makes the guitar vibrate with it.
The skin vibrates when you hit them.
The string of a veena vibrates
The guitar string vibrates; this vibration is transmitted to the air as sound.
the main part vibrates as the air is bouncing off the closed keys
We dont know :/