Question

why are sound waves called mechanical waves​

Answer 1

Answer:

sound waves are mechanical waves becoz they need a material medium for propogation,like air or liquids like water, or metals like silver.............The other type of waves are called electromagnetic waves [ like light ] do not need a material medium to travel, and can go even through vaccum.

Answer 2

sound waves are called mechanical waves because they are produced by the motion of particles of a medium and require material medium for their propagation.