Question

What do you mean by wave? what are mechanical waves?

Answer 1

A wave is disturbance that transfers energy through a matter or space.
A mechanical wave is a wave that is an oscillation of matter and transfers energy through a medium.


hope it helps

Answer 2

A mechanical waves is a wave that is an oscillation of matter and therefore transfers energy through a medium while waves can move over long distance the moment the medium of Transmission them the material is limited there for the escalating material does not move far from its initial equilibrium position