work lost in friction
11Potential energy — This article is about a form of energy in physics. For the statistical method, see Potential energy statistics. Classical mechanics Newton s Second Law …
12Mechanical energy — An example of a mechanical system: A satellite is orbiting the Earth only influenced by the conservative gravitational force and the mechanical energy is therefore conserved. The satellite is accelerated towards the Earth with an acceleration… …
13Mechanical advantage — is a measure of the force amplification achieved by using a tool, mechanical device or machine system. Ideally, the device preserves the input power and simply trades off forces against movement to obtain a desired amplification in the output… …
14Gas turbine — Microturbine redirects here. For turbines in electricity, see Small wind turbine. For turbines driven by the flow of gas, see Turbine. A typical axial flow gas turbine turbojet, the J85, sectioned for display. Flow is left to right, multistage… …
15War of the Worlds (TV series) — Otheruses3|The War of the Worlds (disambiguation)infobox Television show name = War of the Worlds caption = rating = format = Science fiction runtime = approx. 45 minutes without commercials creator = Greg Strangis starring = Jared Martin Lynda… …
16Moving parts — This article is about machinery and engineering. For the rock band, see Moving Parts. For the musical album, see Fewer Moving Parts. some of the moving parts of an automobile engine The moving parts of a machine are those parts of it that move.… …
17Gravity assist — In orbital mechanics and aerospace engineering, a gravitational slingshot, gravity assist or swing by is the use of the relative movement and gravity of a planet or other celestial body to alter the path and speed of a spacecraft, typically in… …
18Toyota Prius — Infobox Automobile name=Toyota Prius manufacturer=Toyota Motor Corporation similar=Honda Civic Hybrid class=Hybrid car layout=FF layout production=1997–presentThe Toyota Prius [ˈpri.əs] is a hybrid electric mid size car developed and manufactured …
19Crane (machine) — A modern crawler type derrick crane with outriggers. The latticed boom is fitted with a jib. A crane is a type of machine, generally equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower material …
20Roller coaster — For other uses, see Roller coaster (disambiguation). The Scenic Railway at Luna Park, Melbourne, is the world s oldest continually operating rollercoaster, built in 1912 …
