復ふく元げん力りょく

ふ

く

げ

ん

りょ

く

Meanings

1

noun

restoring force; righting moment; stability

Technical term in physics and naval architecture: the force or moment that returns a displaced object (e.g., a ship, a spring) to its equilibrium position. 'Righting moment' is specific to ships; 'restoring force' is the general physics term.

船ふねの復ふく元げん力りょくが大おおきいほど、転てん覆ぷく

し

にくい

。

The greater the ship's righting moment, the harder it is to capsize.

ばねの復ふく元げん力りょくは変へん位いに比ひ例れいする。

The restoring force of a spring is proportional to its displacement.

Kanji

復restore, return to, revert
元beginning, former time, origin
力power, strength, strong
原meadow, original, primitive

Related words

復ふく元げん
復元 is the noun 'restoration' or 'reconstruction'; 復元力 adds 力 to mean the force that restores.
安あん定てい性せい
安定性 is general 'stability'; 復元力 is the specific force or moment that provides stability, often used in engineering contexts.

Built from

復ふく元げん+力りょく

Written forms

復ふく元げん力りょく
Standard kanji spelling; 復元 means 'restoration' and 力 means 'force'.
復ふく原げん力りょく
Variant using 原 (original) instead of 元 (origin); less common but seen in some technical contexts.

Etymology

Compound of 復元 (restoration) + 力 (force). The variant 復原力 uses 原 (original) instead of 元 (origin), but the meaning is the same.