Why does a tuning fork sound louder when it is held against a table?

The sound is louder when a struck tuning fork is held against a table because the surface of the table is set into vibration. This results in more air molecules vibrating which makes the sound louder.

Why does a tuning fork sound louder when it vibrates a blackboard?

The tuning fork forces surrounding glass (or vinyl) particles into vibrational motion. The vibrating whiteboard or overhead projector panel in turn forces surrounding air particles into vibrational motion and the result is an increase in the amplitude and thus loudness of the sound.

What causes the tuning fork to make sound?

Sound waves are produced by vibrating objects. When the tuning fork is hit with a rubber hammer, the tines begin to vibrate. The back and forth vibration of the tines produce disturbances of surrounding air molecules.

What happens to the vibrations of a tuning fork when you play a high pitch note?

A tuning fork or piano string vibrating at 256 Hz will produce a pitch of middle C. A greater frequency than this will produce a higher-pitched note and so on. Higher pitched sounds produce waves which are closer together than for lower pitched sounds.

How can you make a tuning fork sound louder?

There are a few ways of varying the volume of a tuning fork. Hitting the fork harder will produce a louder sound because the initial vibration was larger. Touching the vibrating fork to a table after being struck produces a louder sound.

How is resonance like forced vibration?

Objects that are free to vibrate have their natural frequencies in which they vibrate when left for a duration of time. Resonance occurs when objects are forced to vibrate at their natural frequency. The force will create vibrations of very large amplitude when object is vibrating at resonance.

Why is sound louder when a vibrating source?

Why is sound louder when a vibrating source is held to a sounding board? More surface is forced to vibrate and push more air. Resonance is forced vibration at the natural frequency.

Why does a tuning fork stop vibrating?

The vibrations of the tuning fork stop when its prongs are touched but they do not stop when held by a handle or the stem is touched. It is so because the prongs are vibrating perpendicular to their length whereas the stem is vibrating along its length.

Which tuning fork will vibrate faster?

The smaller a tine, the less distance it has to move, and the faster it will be able to vibrate. It’s the same principle as strings on a guitar. Without much room to wobble, a tight string vibrates quickly. A loose string, on the other hand, takes longer to shudder back and forth, resulting in a lower tone.