centripetal force
1
向心力, 指向圆心的力
the force that acts on an object moving in a circular path, directed toward the center of the circle or the axis of rotation, preventing the object from moving in a straight line
- When you swing a ball attached to a string in a circular motion, the tension in the string acts as the centripetal force.
当你以圆周运动摆动附着在绳子上的球时，绳子中的张力充当向心力。
- In planetary motion, the gravitational pull exerted by the sun on a planet acts as a centripetal force keeping the planet in orbit.
在行星运动中，太阳对行星施加的引力作为向心力使行星保持在轨道上。
- When a car turns around a curve, the frictional force between the tires and the road provides the centripetal force.
当汽车转弯时，轮胎与路面之间的摩擦力提供了向心力。
- The tension in the ropes of a spinning amusement park ride acts as the centripetal force, keeping the riders in circular motion.
旋转游乐园游乐设施绳索中的张力作为向心力，使骑手保持圆周运动。
- The Earth's gravitational pull on the Moon provides the centripetal force necessary for the Moon's orbital motion.
地球对月球的引力提供了月球轨道运动所需的向心力。
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