generally confirm the existence of a non-contact friction force between surfaces separated by very small distances. What's behind it? As with many mysteries of physics, this one seems to have ...

Hitting the tuning fork causes all the air molecules around it to vibrate ... This film is relevant for teaching Physics and Biology at Key Stage 3 in England, Wales and Northern Ireland and ...

The physics underlying the effect is complex ... As it spins, the friction between the ball and the air starts the air moving in the direction of spin. Because air spins around the ball, oncoming ...

He uses the example of the Soyuz Rocket, and explains that as it travels through the atmosphere, the air pressure can pose ... for teaching KS3 and GCSE Physics. This topic appears in OCR, Edexcel ...