V2EX g-force

G-Force

定义 Definition

G-force(g力 / 重力加速度倍数)指物体或人体所受加速度相对于地球重力加速度 g(约 9.81 m/s)的倍数,用于描述飞行、赛车、过山车等运动中“被压向座椅/被甩开”的受力强度。也可泛指“强大的加速力”。(该词在不同语境下也可能写作 G force / g-force。)

发音 Pronunciation (IPA)

/di frs/

例句 Examples

The pilot pulled 6 g-force during the turn.
飞行员在转弯时承受了 6 倍重力加速度(6g)。

Under high g-force, astronauts can briefly lose vision if they aren’t trained and supported by equipment.
在高 g 力环境下,如果缺乏训练或设备支撑,宇航员可能会短暂失去视力。

词源 Etymology

G 来自 gravity(重力)或更具体地指地球重力加速度常量 gforce 源自拉丁语 fortis(“强壮的”)相关词根,表示“力量”。g-force 作为复合词在航空与工程语境中普及,用来直观表达“加速度相当于多少个 g”。

相关词 Related Words

文学与作品 Literary Works

  • The Right Stuff(Tom Wolfe)涉及试飞员与航天员训练情境,常讨论高加速度与人体承受极限(常以 g / g-force 表述)。
  • Ender’s Game(Orson Scott Card)包含太空飞行与机动训练等内容,语境中常出现以 g 为单位的加速度描述(常见为 g 或 g-forces)。
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