Question

Why are sound waves called mechanical waves?

Answer 1

Mechanical waves are the waves that require a medium in order to transport their energy from one location to another because mechanical waves rely on particle interaction in order to transport their energy they cannot travel through regions of space they are void of particles

Answer 2

"Mechanic waves are waves that require a medium in order to transport their energy from one location to another

Because...mechanic waves rely on particle interaction in order.