That means this restoring force, which is proportional with the tension, will also double.
这就意味着回复力，它和张力，成比例，将会加倍。
mg There's a gravitational force, which is mg, but there is also tension.
存在重力也就是，但是还存在张力。
The so-called tension, in a nutshell, is a contrast Xiang-cheng of the force.
所谓张力，简而言之，就是一种相反相成的力。
The so-called tension, in a nutshell, is a contrast Xiang-cheng of the force.
所谓张力，简而言之，就是一种相反相成的力。
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