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【毎日一問】理論基礎 2020.02.08

2020-02-08View Original

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選択問題:点が運動するとき、位置ベクトルの大きさが変わらず方向のみが変化する場合、その運動軌跡は()。 (A)直線 (B)円周 (C)任意の曲線 (D)判断できない 答え:B 位置ベクトルの大きさが一定で方向が変化できる場合、点から原点までの距離は一定となり、円周運動しかできない。 ヒント:問題の解き方を説明できた人には特別報酬を授与します。正解は返信で確認できます!

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