centripetal force
noun /ˌsentrɪˌpiːtl ˈfɔːs/, /senˌtrɪpɪtl ˈfɔːs/
/senˌtrɪpɪtl ˈfɔːrs/
(physics- a force that acts on an object moving in a circle and that is directed towards the centre of the circle
compare centrifugal force向心力:作用在圆周上运动的物体上并指向圆周中心的力,