Question

2) In drums, ______ vibrates to produce sound.​

Answer 1

Striking the head of the drum changes its shape and compresses the air inside the shell. The compressed air presses on the bottom head and changes its shape. Then, these changes are transmitted to the drum shell and reflected back, and this action is repeated, creating a vibration.

Answer 2

Answer:

A drum makes sound due to the vibrations of the material stretched across its hollow body. When a stick, mallet, or hand strikes down on this surface material, it begins to vibrate up and down. The vibration moves the air, creating sound waves.