Friction
1K20.05 - Washboard Friction Model
1K20.10 - Friction Block - Surface Materials
1K20.15 - Weight Dependence of Friction
1K20.20 - Area Dependence of Friction
1K20.23 - Temperature Increase Caused by Friction
1K20.25 - Phone Book Friction
1K20.30 - Static vs. Sliding Friction
1K20.35 - Angle of Repose
1K20.40 - Front and Rear Brakes
1K20.42 - Friction Roller
1K20.45 - Friction Oscillator
1K20.60 - Sliding Chain