(physics) the mass of a body as determined by the second law of motion from the acceleration of the body when it is subjected to a force that is not due to gravity
双语例句
用作名词 (n.)
It is a remarkable fact that the inertial mass of all bodies is, within experimental accuracy, proportional to the gravitational mass. 值得注意的是，在实验的准确度内，所有的物体的惯性质量与引力质量都成正比。
