You can use the same approach for particles, cloth, RBD, and smoke.
Have a great time with Houdini!

00:00 - Intro and a few words
01:16 - Prepare a scene with POPNetwork
07:28 - 1st method Pop curve force
09:36 - 2nd method POPVop and minpos
13:04 - Force along the curves with tangent and XYZ Distance
18:22 - 3rd method Volume VOP and Noise
24:37 - Outro with Vellum