A bad wheel bearing is always noisy. As you drive the car, steer it like you are changing lanes( to shift the load on the bearing) and listen for a change of pitch in the noise. If it is bad it will change pitch. Wheel bearings have to be REAL bad to cause vibration; are you sure you don't have a bent rim/ bad tire?
So not to vibrate and put stress on bearings and seals.
You possibly have warped brake rotors on the front. Or Bad Wheel Bearings.
The particles heat and vibrate up causing it to get bigger
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.
a vibrating transmission could be caused by a bad transmission mount. If the mount breaks then the transmission will physically move causing it to vibrate.
Check your rear wheel bearings.
The flute vibrate when you blow air across the embrochure, causing the air to vibrate inside the flute which causes the sound to come out the end of the flute.
The answer is some flat edge on a couple of needle bearings on the universal joint.
Engines do not vibrate unless they starve on air or gas. What might vibrate when you are slowing down is wore brake disks or faulty bearings.
The bow makes the strings vibrate, causing the string to make sound.
Wheel bearings and allignment. Can be tires as well and sometimes even a bad motor mount.
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.