If two ships happen to move parallel and close to each other, they experience a force of pull forwards each other. Why?

If two ships happen to move parallel and close to each other, they exp

1.	If two ships happen to move parallel and close to each other, they experience a force of pull forwards each other. Why?
Answer» SOLUTION :When the SHIPS come closer, the velocity of water between them INCREASES (being very narrow gap) and the pressure decreases. But the pressure on theouter SURFACE of each ship greater than this pressure between them. so the shops are pushed TOWARDS each other.