Cause+by+friction
121MythBusters (2009 season) — Country of origin Australia United States No. of episodes 23 (includes 3 specials) Broadcast Original channel …
122Simple machine — This article is about the concept in physics. For the Internet forum software, see Simple Machines Forum. Table of simple mechanisms, from Chambers Cyclopedia, 1728.[1] Simple machines provide a vocabulary for understanding more complex machine …
123Rail adhesion — Driving wheel of steam locomotive The term adhesion railway or adhesion traction describes the most common type of railway, where power is applied by driving some or all of the wheels of the locomotive. Thus, it relies on the friction between a… …
124NPSH — This article is about Net Positive Suction Head. For the band commonly abbreviated to NPSH, see Natalie Portmans Shaved Head. For the fire hose coupling thread, see Glossary of firefighting equipment#N. Hydraulic circuit NPSH is an initialism for …
125Perpetual motion — For other uses, see Perpetual motion (disambiguation). Robert Fludd s 1618 water screw perpetual motion machine from a 1660 wood engraving. This device is widely credited as the first recorded attempt to describe such a device in order to produce …
126Cue sports techniques — Illustration from Michael Phelan s 1859 book, The Game of Billiards Cue sports techniques (usually more specific, e.g., billiards techniques, snooker techniques) are an immensely important aspect of game play in the various cue sports such as… …
127Stirling engine — Alpha type Stirling engine. There are two cylinders. The expansion cylinder (red) is maintained at a high temperature while the compression cylinder (blue) is cooled. The passage between the two cylinders contains the regenerator …
128Continuously variable transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic Dual …
