A rider of mass \(m\) stands against the rough vertical wall of a cylindrical amusement park ride of radius \(R\). The cylinder rotates about its central vertical axis at a constant angular speed \(\omega\). When the floor beneath the rider is lowered, the rider remains pinned against the wall at a constant height and does not slide down.

Which of the following statements provides the physically correct explanation for why the rider does not slide down the wall?