It's a restoring force, just like with the spring.
这是回复力,就像弹簧上的那一样。
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。
So now the restoring force doubles and the mass doubles, the acceleration remains the same, the period remains the same.
所以现在回复力加倍,物体质量加倍,加速度不变,周期不变。
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