Indent depth for Vickers hardness test
Population growth rate - Logistic equation
Petroff's Law - shear stress in the lubricant
Simple gear train with two gears (gear ratio in terms of angular velocities and number of teeth)
Hyperbolic Kepler equation
Crystal Structures of Metals (Face-Centered Cubic)
Moment magnitude scale
Helmholtz free energy
Ebullioscopic constant
Henry's law