Slipped

The book slipped from his lap and onto the floor.

The bag slipped off her shoulder and spilled its contents onto the sidewalk.

He slipped on the soap in the shower and grabbed onto the curtain to prevent falling.

She slipped and made an error in her calculations, resulting in an incorrect answer.

He slipped on the wet tiles and almost crashed into the wall.

The piece of paper slipped from the bulletin board and fluttered to the ground.