The vibrations from your lips are what creates sound
The soud comes from the trumpet player's lips vibrating. in a saxophone the reed vibrates.
It's an aerophone, based on the fact that it uses vibrating air to produce sound.
The trumpet doesn't, it just tunes and amplifies the buzzing sound produced by the players lips.
A lyre is a stringed instrument, so the vibrating part is a string originally made from catgut.
skin is the vibrating object of tabla
They are all brass instruments that create sound by vibrating the lips against a mouthpiece.
Trumpet is in the brass section.
The trumpet is part of the brass section.
its membrane
Yes, the trumpet 1 part is normally harder than trumpet 2 or 3 and normally the best player or players play on the first trumpet part.
Trumpets are known for being loud! As a result, composers usually write the trumpet part as the melody part. If it was the harmony part, it would take over the whole band. Note: in a piece with multiple trumpet parts (Trumpet 1, Trumpet 2, etc.), only the first trumpet part will be the melody. Usually, the lower parts will have lower notes, and they will play the harmony.