一种定义
四种语言
Der Schwerpunktsatz definiert, dass die gesamte Masse eines Systems mehrerer Körper in dessen Schwerpunkt als sogenannter Massenpunkt angenommen werden kann.
The centre-of-mass law states that the entire mass of a system of numerous bodies can be viewed as the mass point in its centre of gravity.
The centre-of-mass law (or theorem) states that the entire mass of a system of numerous bodies can be viewed as the mass point at its centre of gravity.