How can a jet of water be powerful enough to cut through steel?

Question

How can a jet of water be powerful enough to cut through steel?

In: 63

Answer 1

You do know that uncompressed, non-jet rain can warp, crack and cut concrete, metals, rock, stone over periods of time right? Mountains have disappeared just from normal rain cycles.

Now imagine if you add pressure (and often times microscopic diamonds for cutting power) and concentrate it at a tiny point.

Very easy to understand.