Propulsion

Wheels are commonly used in ground propulsion

Transrapid 09 at the Emsland test facility in Germany

Propulsion is a means of creating force leading to movement. The term is derived from two Latin words: pro, meaning after or forward; and pellere, meaning to drive. A propulsion system consists of a source of mechanical power, and a propulsor (means of converting this power into propulsive force).

单词	Vehicle propulsion
释义	Vehicle propulsion 英语百科 Propulsion Propulsion is a means of creating force leading to movement. The term is derived from two Latin words: pro, meaning after or forward; and pellere, meaning to drive. A propulsion system consists of a source of mechanical power, and a propulsor (means of converting this power into propulsive force).
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Vehicle propulsion

Propulsion