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centre of mass

/ˈsɛntər əv mæs/

翻译: 物理中一个物体或系统所有质量被视为集中的点,物体或系统绕该点运动时如同所有外力都作用在该点上。它是物理学和力学中的基本概念。

1 个条目

phrase

/ˈsɛntər əv mæs/C1formalscientific
  • zh物理中一个物体或系统所有质量被视为集中的点,物体或系统绕该点运动时如同所有外力都作用在该点上。它是物理学和力学中的基本概念。

A point in a physical body or system of bodies where the entire mass is considered to be concentrated, and around which the body or system behaves as if all forces act. It is a fundamental concept in physics and mechanics.

  1. Physics conceptB2formal

    The point in a body or system of bodies at which the entire mass may be considered to be concentrated for calculations of motion.

    zh质心

    • The centre of mass of a uniform rod is at its midpoint.
    • To calculate the stability of the object, we need to find its centre of mass.
    • The diver adjusted his position to shift his centre of mass.