A) 500 N
B) 100 N
C) 1000 N
D) 400 N
Correct Answer: D
Solution :
Breaking tension \[T\propto {{r}^{2}}\] \[\frac{{{T}_{1}}}{{{T}_{2}}}={{\left( \frac{{{r}_{1}}}{{{r}_{2}}} \right)}^{2}}\] \[\frac{1000}{{{T}_{2}}}={{\left( \frac{1/2}{2/2} \right)}^{2}}\] \[\frac{1000}{{{T}_{2}}}={{\left( \frac{1}{2} \right)}^{2}}{{T}_{2}}=4000\,N\]
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