A vehicle (Latin Latin is an Italic language originally spoken in Latium and Ancient Rome. With the Roman conquest, Latin was spread to countries around the Mediterranean, including a large part of Europe. Romance languages such as Aragonese, Corsican, Catalan, French, Italian, Portuguese, Romanian, Sardinian, Spanish and others, are descended from Latin, while: vehiculum) is a device that is designed or used to transport people or cargo. Most often vehicles are manufactured (e.g. bicycles A bicycle, also known as a bike, pushbike or cycle, is a pedal-driven, human-powered, single-track vehicle, having two wheels attached to a frame, one behind the other. A person who rides a bicycle is called a cyclist or a bicyclist, cars An automobile, motor car or car is a wheeled motor vehicle used for transporting passengers, which also carries its own engine or motor. Most definitions of the term specify that automobiles are designed to run primarily on roads, to have seating for one to eight people, to typically have four wheels, and to be constructed principally for the, motorcycles A motorcycle is a single-track, two-wheeled motor vehicle. Motorcycles vary considerably depending on the task for which they are designed, such as long distance travel, navigating congested urban traffic, cruising, sport and racing, or off-road conditions, trains A train is a connected series of vehicles for rail transport that move along a track to transport freight or passengers from one place to another. The track usually consists of two rails, but might also be a monorail or maglev guideway, ships A ship ( Audio (help·info)) is a large vessel that floats on water. Ships are generally distinguished from boats based on size and cargo or passenger capacity. Ships may be found on lakes, seas, and rivers and they allow for a variety of activities, such as the transport of people or goods, fishing, entertainment, public safety, and warfare, boats A boat is a watercraft of modest size designed to float or plane, to provide passage across water. Usually this water will be inland or in protected coastal areas. However, boats such as the whaleboat were designed to be operated from a ship in an offshore environment. In naval terms, a boat is something small enough to be carried aboard another, and aircraft An aircraft is a vehicle which is able to fly by being supported by the air, or in general, the atmosphere of a planet. An aircraft counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines).[1]

Vehicles that do not travel on land often are called craft The word craft in its most common sense now is a short and definite word for a vehicle or vessel that is used for transportation on the sea, in the air or in space. But it can be applied to fictional vessels such as time craft, dimensional craft, and probability craft. It is primarily used as the root word to which prefixes are added, as in, such as watercraft A watercraft is a vehicle, vessel, or craft designed to move across or through water. The name is derived from the term "craft" which was used to describe all types of water going vessels. The term craft has since been expanded to include all types of vessels which travel on water , in air (aircraft) and in space (spacecraft), sailcraft, aircraft An aircraft is a vehicle which is able to fly by being supported by the air, or in general, the atmosphere of a planet. An aircraft counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines, hovercraft A hovercraft is a craft capable of travelling over surfaces while supported by a cushion of slow moving, high-pressure air which is ejected against the surface below and contained within a "skirt." Although supported by air, a hovercraft is not considered an aircraft, and spacecraft A spacecraft is a craft or machine designed for spaceflight. Spacecraft are used for a variety of purposes, including communications, earth observation, meteorology, navigation, planetary exploration and space tourism. Spacecraft and space travel are common themes in works of science fiction

Land vehicles are classified broadly by what is used to apply steering and drive forces against the ground: wheeled A wheel is a circular device that is capable of rotating on an axle through its centre, facilitating movement or transportation while supporting a load , or performing labour in machines. Common examples are found in transport applications. A wheel, together with an axle overcomes friction by facilitating motion by rolling. In order for wheels to, tracked A tracked vehicle is a vehicle that runs on continuous tracks instead of wheels. Typically used as part of an Engineering vehicle once additional attachments have been added, railed Rail transport is the means of conveyance of passengers and goods by way of wheeled vehicles running on rail tracks. In contrast to road transport, where vehicles merely run on a prepared surface, rail vehicles are also directionally guided by the tracks they run on. Track usually consists of steel rails installed on sleepers/ties and ballast, on, or skied A ski is a long, flat device worn on the feet designed to help the wearer slide smoothly over snow. Originally intended as an aid to travel in snowy regions, they are now mainly used for recreational and sporting purposes. Also, a ski may denote a similar device used for other purposes than skiing, for example, for steering snowmobiles.

Contents

Legal definitions

As part of laws regulating road traffic most jurisdictions define what is and is not a vehicle for legal purposes. For instance the Canadian Canadians are citizens of Canada. Canada is a multiethnic society, home to people of many different ethnic and national backgrounds. As a result, Canadians do not take their nationality as an ethnicity. Aside from the indigenous Aboriginal peoples, who according to the 2006 Canadian Census enumerated 1,172,790, 3.8% of the country's total province of Ontario Ontario is bordered by Manitoba on its west, Hudson Bay on its north, and Quebec on its east, and by five states of the United States to its south : Minnesota, Michigan, Ohio, Pennsylvania (Lake Erie) and New York. All but a small portion of Ontario's 2,700 km (1,677 mi) border with the United States follow inland waterways: from the west at Lake is fairly typical in defining:[2]

"vehicle" includes a motor vehicle, trailer, traction engine, farm tractor, road-building machine, bicycle and any vehicle drawn, propelled or driven by any kind of power, including muscular power, but does not include a motorized snow vehicle or a street car[2]

History of vehicles

Power source

Vehicles may be powered by fuels, such as petroleum or diesel, nuclear power, wind, waves, batteries, electrical power, solar energy, gravity, human or animal power and other chemical reactions and physical sources of energy have seen some use.

Motors

The power is converted into some kind of motion by a "motor". Engines commonly include steam engines, internal combustion engines (including jet engines and gas turbines) or electric motors. Muscles perform this function in animals. Other schemes are sometimes used.[citation needed]

Movement

Vehicles use different means to permit or ease movement. These are commonly in the form of wheels, boat or submarine hulls, skis, caterpillar tracks, skates, wings, rotors or cushions of air or jets of air. Lighter than air lifting and rocket power have also been used. Trains use tracks, either with wheels resting on them, or in a few cases using magnetic levitation. Cable cars are suspended from cables which move. Legs are used on experimental mechanical systems.[citation needed]

One of the studies of vehicle movement is vehicle dynamics. In terms of dynamics, some vehicles such as bicycles and motorcycles leave essentially a single track and are unstable at rest.

Steering

Main article: steering

Steering is the term applied to the collection of components, linkages, etc. which will allow for a vessel (ship, boat) or vehicle (car, motorcycle) to follow the desired course. An exception is the case of rail transport by which rail tracks combined together with railroad switches (and also known as 'points' in British English) provide the steering function.[citation needed]

Part of car steering mechanism: tie rod, steering arm, king pin axis (using ball joints).

Propulsion

Main article: Vehicle propulsion

Propulsion is achieved in different ways. It can be achieved by an animal's legs that pulls a vehicle or by wheels that provide torque, by jet propulsion, a propeller or sometimes linear electric motors. Cables can also be attached to a vehicle, as in some funiculars. Wind powered vehicles such as yachts are nearly always directly propelled by the wind, but some unusual forms use the power of the wind to turn wheels.[citation needed]

Some gravity powered vehicles such as glider aircraft, street luge and soapbox cars have no in-built propulsion system.[citation needed]

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