If you pluck a rubber band, the rubber band moving back and forth produces twanging sounds. Unless something vibrates , there can be no sound. Sound travels when a string vibrates, it makes molecules of gases in the air next to it vibrate. ... It carries the energy from the vibrating object outward in all directions.
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If you pluck a rubber band, the rubber band moving back and forth produces twanging sounds. Unless something vibrates , there can be no sound. Sound travels when a string vibrates, it makes molecules of gases in the air next to it vibrate. ... It carries the energy from the vibrating object outward in all directions.