運動量(うんどうりょう)

うんどうりょう
noun
amount of exercise; momentum
healthscience
1. amount of exercise; level of physical activity
The quantity or intensity of physical exercise a person engages in.
運動量(うんどうりょう)が足(た)りない。
I'm not getting enough exercise.
毎日(まいにち)の運動量(うんどうりょう)を増(ふ)やすことにした。
I decided to increase my daily amount of exercise.
医者(いしゃ)に運動量(うんどうりょう)を減(へ)らすように言(い)われたが、なかなか難(むずか)しい。
The doctor told me to reduce my level of physical activity, but it's not easy.
2. momentum
In physics, the product of an object's mass and velocity.
運動量(うんどうりょう)は質量(しつりょう)と速度(そくど)の積(せき)だ。
Momentum is the product of mass and velocity.
運動量(うんどうりょう)保存(ほぞん)の法則(ほうそく)は物理(ぶつり)の基本(きほん)だ。
The law of conservation of momentum is fundamental to physics.
衝突(しょうとつ)の前後(ぜんご)で運動量(うんどうりょう)の総和(そうわ)は変(か)わらない。
The total momentum does not change before and after a collision.

A compound of 運動(うんどう) (exercise; motion) and 量(りょう) (quantity, amount). In everyday conversation, sense 1 (amount of exercise) is far more common. The physics sense (momentum) is used in academic and technical contexts.

Common collocations

Similar words

  • 運動(うんどう): exercise, physical activity — the activity itself, not the quantity
  • 活動量(かつどうりょう): amount of activity — broader than exercise, includes all physical activity
general
Added 2026.4.21 22:09 · Revised 2026.9.2 13:02
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