And so, you know from your Newtonian mechanics, as you were learning in 8.01, the dynamic force here mv^2/r is mv squared over r.

在8。01节对牛顿动力学系统的学习中，我们可以知道这里的运动受力,就是。

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When this happens, the group starts to coalesce and we see a learning dynamic take place among the members of the group.

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The other dynamic is that fans are learning to do more than just forward videos on to friends.

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There is another dynamic pushing India to innovate in and improve online learning in some dramatic ways.

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