at the floor vs. "on the floor"?

Question

For the following sentences:> - He threw the book *at* the floor.> - He threw the book *on* the floor.I know the book hit the floor in both sentences but which one is more commonly used and also what's the difference between 'at' and 'on'? Do we acknowledge the exact position from 'at'?

Answer 1

Why not threw the book 'to' the floor?

That way direction is implied.