This question is missing a massive amount of background info required to answer.
longitudinal vibration is one of the types of free vibration because when you start a bike the particles of every part moves up and down
Vibration is defined as a mechanical fluctuation from one point to another point. There are mainly two types of vibration involved in vibration analysis: free vibration and forced vibration. Free vibration occurs when an object is turned on, such as a clothes dryer and a lawnmower, and is left to vibrate on its own. Forced vibration happens when an outside object or occurrence vibrates an object. The lawnmower shakes due to an earthquake would be an example of this. Furthermore, vibration monitoring is also another important part of analysis.
Vibration is a noun.
When one part of a vibration causes air particles to spread out, they form ararefaction
When one part of a vibration causes air particles to spread out, they form ararefaction
Most of the vibration, and the sound that is a result of that vibration, is in the tubes of the chime. When they hit each other it causes a vibration at a certain frequency which causes a note to issue from the chime. I've linked a wind chime guide that shows the different parts of a chime, part #5 is where the vibration occurs.
front brakes
You don't fix this. It is part of what makes a Harley a Harley. Go buy a Honda if you don't like vibration.
inner ear
A noise vibration analysis will show you exactly what is wrong in the motor of you car. It basically pin points where the noise is coming from by the vibrations and it will tell you what part is bad by how far away the part is.
Hail can occur in any part of Illinois.
Compression