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The ear drum vibrates by the vibrating air molecules near it due to the sound wave.
The ear drum vibrates by the vibrating air molecules near it due to the sound wave.
Cover the drum skin with a thin, even layer of sand, pepper or any suitable powder to hand. Play the drum near the rim and watch the sand gather into a pattern over the whole skin. It should gather into piles where the skin is not vibrating (nodes) and be cleared where it is vibrating the most (antinodes) The pattern will change depending on skin tension and where the skin is being struck. Look up Chladni plates for similar evidence.
The buzzing or vibrating sound you hear when a bee is flying near you is due to their wings flapping so fast. Since they move at a very high speed, it makes the buzzing noise.
acoustic resonance
The windmill is in Turville, near the town of Marlow, west of London, England.
amplifier
resonance
You can never buy drums but in some catalouges you can buy drum sticks. When you hold the sticks and are near a drum,dance and you will play drums.
Normally hitting the drum closer to the edge would make the note lower, it can make it quieter. Sometimes a drum can have a "sweet spot" as it is called this is where when struck gives the best tone.
This literally makes no sense.
hold it near the horses mouth but don't bang his/her teeth