To experiment relationship among friction, pressure, surface characteristics, material, surface area and speed.

Contents:

• Friction test bed: Bench, 10V/220V Power cord, Power switch, Large winch shaft, small winch shaft, Thin thread with hooks, Force measurement meter with accuracy of 0.02N.
• The loading platform: High-quality aluminum alloy, 165 x 115 x 3mm, with hook nail.
• Friction plate: Aluminum plate with one side velvet, one side acrylic plate.
• Friction blocks: 2 pieces. One piece made of aluminum alloy, weight 1N. One piece made of copper, weight 1N. Copper block has two different surfaces: one side copper and the other attached with cloth. Aluminum block has four sides used for experiment: two polished surfaces and two rough surfaces.
• Weights: 4 pieces, each 1N.