Physics of sound.

Sound surrounds us at all times. The ring of an alarm clock or the whistle of birds may wake us up in the morning. Through out the day, we hear a variety of sounds; for instance, the banging of pots and pans, the roar of traffic, and the voices of people. When we fall asleep at night, we might listen to the sounds of frogs croaking or the wind whistling. All sounds have one thing …

…occurs when a small, repeated force produces larger and larger vibrations in an object. To produce resonance, the repeated force must be applied with the same frequency as the resonance frequency of the object. Sound makes life more interesting. Without it things would be dull and boring. Because of sound we are able to verbally communicate with others, show emotions, and express our beliefs. Sound is a very important factor in the lives of many.