collide

To impact directly, especially if violent.

When a body collides with another, then momentum is conserved.

Across this space the attraction urges them. They collide, they recoil, they oscillate.

To come into conflict, or be incompatible.

China collided with the modern world.

To meet; to come into contact.

Out of the doubts that fill my mind / I somehow find, you and I collide

I knew when we collided / you're the one I have decided who's one of my kind

To cause to collide.