Work Done By Friction CalculatorBy Admin / November 13, 2025 Work Done By Friction Calculator Enter any 3 values to calculate the missing variable Normal Force Newton (N) Kilonewton (kN) Pound-force (lbf) Coefficient of Friction Distance Meter (m) Centimeter (cm) Feet (ft) Inch (in) Work Done by Friction Newton-meter (N·m) Joule (J) Pound-force-foot (lbf·ft) Pound-force-inch (lbf·in) Calculate Reset