Well, the tension in the thread will probably quadruple, but the hanging body will continue to just hang there.
The question gives us no evidence that it is doing any oscillating, and there's no reason for it to start just because it suddenly got heavier.
The colder the more likely it is to become a liquid
Answer:

Explanation:
Impulse-Momentum relation:


We solve the equations in order to find the braking force:

Answer:
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