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作用線 (sayousen) Japanese meaning: line of action | Kotomora

作さ用よう線せん

さ

よ

う

せ

ん

Meanings

1

line of action

Physics term: the line along which a force vector acts.

力ちからの作さ用よう線せんが重じゅう心しんを通とおるとき、物ぶっ体たいは回かい転てん

Kanji

作make, production, prepare
用utilize, business, service
線line, track

Built from

作さ用よう+

し

ない

。

When the line of action of the force passes through the center of gravity, the object does not rotate.

線せん

Etymology

Compound of 作用 (action, effect) and 線 (line).