The same reaction happens here, except the two forces slam into each other.

And then the full force of reality slammed into his chest.

Bill had raised his sword the instant he'd felt the force slam him.

A powerful force slammed into her and she was thrown up against a wall.

Not to mention whatever force had just slammed into Titan.

The force of the fire slammed him to the ground.

Then a dark force slammed him back against the wall hard enough to put him out for a minute or so.

The force of the blow slammed him back against the closed door.

The windows blew out, and the force slammed me against the wall.

She turns toward the bed, and- A force slams into her from behind.