来自《耶鲁大学开放课程：基础物理 第9集 第9集》

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  and if the blade is picking up speed,
  当转速增加时
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  that's got to be paid for, too.
  力也要增加
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  That's the net acceleration.
  这是总的加速度
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  That times your mass
  这一项乘以你的质量
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  will be the force that has to be applied to you.
  就是你需要提供的力
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  So, you will cling onto it with that force,
  在你用这个力抓住它
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  and that force will be applied in turn
  根据牛顿第三定律
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  by the third law by the disk on you.
  你也会受到这个力的作用
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  For example,
  比如
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  suppose it's a top view of a rotating platform.
  假设这是一个转盘的俯视图
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  You're just standing there and the platform is rotating.
  你站在这里而盘在旋转
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  You can ask,
  你可以问