向心力 (xiàng xīn lì) — centripetal force
Definition
The physics term for centripetal force — the inward force that keeps an object moving in a circle (e.g. the sun's gravity on the Earth).
noun
centripetal force
Examples
- ，向心力。Zài wù lǐ kè shàng, lǎo shī jiǎng le xiàng xīn lì de gài niàn.In physics class, the teacher explained the concept of centripetal force.
- ，向心力。Qì chē zhuǎn wān shí, lún tāi yǔ dì miàn de mó cā lì tí gōng le xiàng xīn lì.When a car turns, the friction between the tires and the ground provides centripetal force.
- 向心力。Dì qiú rào tài yáng yùn dòng de xiàng xīn lì lái zì wàn yǒu yǐn lì.The centripetal force for the Earth's motion around the sun comes from gravity.
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