Chinese word

重心

Pronunciation

Pinyinzhòng xīn

Meaning

  • nouncenter of gravity

Example

这个物体的重心在底部附近。zhè ge wù tǐ de zhòng xīn zài dǐ bù fù jìn

This object's center of gravity is near the bottom.

Illustration for 重心 (center of gravity)

More examples

在搬运家具时要注意不要让重心偏移，避免倾倒。zài bān yùn jiā jù shí yào zhù yì bú yào ràng zhòng xīn piān yí bì miǎn qīng dǎo

When moving furniture, take care not to let its center of gravity shift, so that it does not tip over.

Core concept

The single point that stands in for an object's whole weight when its balance or rotation is considered.

Common phrases

  • 降低重心jiàng dī zhòng xīn

    lower the center of gravity

  • 重心偏移zhòng xīn piān yí

    shift in the center of gravity

  • 围绕重心旋转wéi rào zhòng xīn xuán zhuǎn

    rotate around the center of gravity

Similar words

质心zhì xīn: The point showing the average location of all the mass in an object.

Definition in Chinese

物体各部分的质量在空间中的分布的平均位置，作为计算平衡和转动的代表点称为重心。wù tǐ gè bù fèn de zhì liàng zài kōng jiān zhōng de fēn bù de píng jūn wèi zhì zuò wéi jì suàn píng héng hé zhuǎn dòng de dài biǎo diǎn chēng wéi zhòng xīn

Word origin

重 (zhòng, "weight") + 心 (xīn, "center") gives the word its image of a center defined by weight rather than by an object's shape alone.

Usage tips

  • In sports commentary and daily explanations, a shift in 重心 (zhòngxīn, "center of gravity") describes a change in body position, not a change in body weight.

Related words

  • 重心偏移zhòng xīn piān yíshift in the center of gravitynoun
  • 重心下降zhòng xīn xià jiànglowering of the center of gravitynoun

Word lists with this word