重力

• 読み: じゅうりょく
• ローマ字: juuryoku
• 漢字の分解: 重 (juu) — heavy, weight; 力 (ryoku) — force, power
• 発音: /dʑɯː.ɾʲo.kɯ/

意味

Gravity; gravitational force. The force that pulls objects toward the centre of a celestial body.

A physics noun used in both scientific and everyday contexts. Distinguished from 引力 (inryoku, attraction/gravitational pull), which is broader — 重力 specifically refers to the gravitational force experienced on or near a celestial body. Common collocations include 無重力 (mujuuryoku, zero gravity/weightlessness), 重力加速度 (juuryoku kasokudo, gravitational acceleration), and 重力に逆らう (juuryoku ni sakarau, to defy gravity).

例文

1. 宇宙ステーションでは無重力の環境で実験が行われる。
2. 月の重力は地球の約六分の一だ。
3. りんごが木から落ちるのは重力のおかげだ。

使い方ガイド

場面: physics, space, education

トーン: neutral

起源と歴史

From Sino-Japanese: 重 (juu, heavy/weight) + 力 (ryoku, force/power). Literally 'weight force' — the force responsible for giving things weight by pulling them toward a massive body.

文化的背景

時代: Modern

世代: All ages

社会的背景: Universal