jeff asked in 科學及數學其他 - 科學 · 1 decade ago

what is car

What is car

1 Answer

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    1 decade ago
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    Vehicles are non-living means of transport. Most often they are manufactured (e.g. bicycles, cars, motorcycles, trains, ships, boats, and aircraft), although some other means of transport which are not made by humans also may be called vehicles; examples include icebergs and floating tree trunks.

    Vehicles may be propelled or pulled by animals, for instance, a chariot, a stagecoach, a mule-drawn barge, or an ox-cart. However, animals on their own, though used as a means of transport, are not called vehicles, but rather beasts of burden or draft animals. This distinction includes humans carrying another human, for example a child or a disabled person.

    A rickshaw is a vehicle that may carry a human and be powered by a human, but it is the mechanical form or cart that is powered by the human that is labeled as the vehicle. For some human-powered vehicles the human providing the power is labeled as a driver.

    Vehicles that do not travel on land often are called craft, such as watercraft, sailcraft, aircraft, hovercraft, and spacecraft

    Land vehicles are classified broadly by what is used to apply steering and drive forces against the ground: wheeled, tracked, railed, or skied.

    The word vehicle is derived from the Latin word, vehiculum.

    Hope can help you.

    圖片參考:http://tw.yimg.com/i/tw/ugc/rte/smiley_14.gif

    圖片參考:http://upload.wikimedia.org/wikipedia/en/thumb/9/9...

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