Yes
Yes, the size of an object affects its vibration and pitch. Larger objects tend to vibrate at lower frequencies, resulting in lower pitches, while smaller objects vibrate at higher frequencies, leading to higher pitches. The size of an object determines the length of its vibration cycle, which in turn determines the pitch produced.
It makes the molecules vibrate so the density chages. Your question is a bit unclear.
When an object begins to vibrate, it moves back and forth rapidly around a fixed position. This movement creates waves that travel through the object and sometimes into the surrounding medium, producing sound waves if the object is a source of sound. The frequency and amplitude of the vibration determine the pitch and volume of the sound produced.
NOTE
The pitch of a vibrating object is primarily determined by its frequency of vibrations, which is the number of cycles per second. The length or size of the object can affect the frequency and pitch it produces, as longer or larger objects typically vibrate at lower frequencies, producing lower pitches, and vice versa.
the more the vibration, the lower the pitch.
The pitch of a sound is determined by the frequency of the vibrations. Larger objects tend to produce lower pitched sounds because they vibrate more slowly due to their size. The shape of the object can affect how the vibrations travel through it, which can also influence the pitch of the sound produced.
The pitch of your voice depends on how fast your vocal chords vibrate. The faster they vibrate, the higher the pitch. When you sing you use your muscles to force them closer together causing them to vibrate faster. When you are sick, your lymph nodes swell causing them to get closer and vibrate faster producing a higher sound.
For an object to make sound, it must vibrate. This vibration creates compression waves in the surrounding medium (such as air), which are perceived by our ears as sound. The frequency of the vibration determines the pitch of the sound produced.
Pitch of vibrating objects is determined by the frequency of their vibrations. Objects that vibrate at a higher frequency produce higher pitch sounds, while objects that vibrate at a lower frequency produce lower pitch sounds.
The pitch of your voice is determined by the tension in your vocal cords, which can be adjusted by muscles in your larynx. When your vocal cords are stretched tighter, they vibrate faster and produce a higher pitch. Conversely, when they are more relaxed, they vibrate slower and produce a lower pitch.
To start an object vibrating to make a sound, you typically need to apply energy to the object. This energy causes the object to vibrate back and forth, creating sound waves that travel through the air. The frequency of the vibrations determines the pitch of the sound produced.