…The acceleration caused by a force of the same magnitude is small for objects with a large m and large for objects with a small m , so the magnitude of m is thought to represent the magnitude of inertia, and this is the definition of mass. Mass determined in this way is sometimes called inertial mass. To measure mass according to this definition , two objects are made to interact with each other, such as by colliding with each other, and the resulting accelerations a1 and a2 are measured. … *Some of the terminology that mentions "inertial mass" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…同じ大きさの力によって生ずる加速度は,mの大きいものでは小さく,mの小さいものでは大きくなるから,mの大小は慣性の大小を表すと考えられ,これを質量の定義とするのである。このようにして決めた質量を慣性質量inertial massということもある。この定義に従って質量を測定するには,二つの物体を衝突させるなど相互作用させて,そのときに生ずるそれぞれの加速度a1,a2を測定する。… ※「inertial mass」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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