Force - A push or pull that can cause an object to accelerate, decelerate, or change direction, Acceleration - The rate at which an object's velocity changes over time, Mass - The amount of matter in an object, typically measured in kilograms or grams, Gravity - A non-contact force of attraction between two masses,

さんの投稿です

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

自動保存: を復元しますか?