Engineers at the University of Sheffield have teamed up with the International Tennis Federation (ITF) to measure the effects of friction between tennis court surfaces and footwear in a bid to ensure ...

Forgive me for all the posts on ESPN's Sport Science (example: Pulling and Power). I can't help myself. In the short episode recently, Sport Science compared a football player pulling a sled with huge ...

Steady-state sliding profiles illustrate the different types of friction. Smooth sliding (F) illustrates very low friction forces, while the jagged profile of regular stick-slip friction (C), shows ...

Editor's Note: This article was provided by Inside Science. The original is here. (Inside Science) -- For a solid material, ice is strangely slippery. While Olympic skiers and children on a snowy hill ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Friction is a force that exists when two surfaces rub up against each other. For example, this cup on ...