Moreover, transverse waves, like waves on the surface of the ocean or waves on a rope attached to a doorknob, exert forces that are in line with the up-and-down motion of the wave.
(a rope; attached; ) (transverse waves, like waves on the surface of the ocean or waves on a rope; exert; forces that are in line with the up-and-down motion of the wave) (forces; are; in line with the up-and-down motion of the wave)
a rope transverse waves, like waves on the surface of the ocean or waves on a rope forces
attached exert are
forces that are in line with the up-and-down motion of the wave
in line with the up-and-down motion of the wave