centripetal force

noun
🔊/ˌsentrɪˌpiːtl ˈfɔːs/, 🔊/senˌtrɪpɪtl ˈfɔːs/
🔊/senˌtrɪpɪtl ˈfɔːrs/
(physics物理)
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  1. a force that acts on an object moving in a circle and that is directed towards the centre of the circle compare centrifugal force