Damping ratio (related to Quality factor)
Law of the wall
Period of Precession - (Torque-induced - Classical Newtonian)
Derjaguin-Muller-Toporov (DMT) model of elastic contact between two spheres (contact radius)
Spirograph (X-coordinate of the traiectory of the pen-hole in the inner disk of a Spirograph)
Current gain
Redshift (based on frequency)
IT Grade
Percentage overshoot (PO)
Helmholtz coil ( the magnetic field at the center point)