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| + | ====== 15. Magnetic Newton’s cradle ====== | ||
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| + | Repulsing, non-touching magnets are used instead of colliding balls to make a new type of Newton’s cradle. The new cradle can act in a similar way to a regular cradle, but can also exhibit other interesting behaviour. Explain and study the movement of this magnetic cradle. | ||
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| + | ====== 15. 磁性牛顿摆 ====== | ||
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| + | 采用相互排斥且不接触的磁铁代替碰撞的球体，制成一种新型牛顿摆。这种新型牛顿摆既能像普通牛顿摆一样运动，还能展现其他有趣的现象。解释并研究这种磁性牛顿摆的运动规律。 | ||