A) \[\frac{mg\,\cos \,\theta }{\pi iR}\]
B) \[\frac{mg\,}{\pi iR}\]
C) \[\frac{mg\,\tan \,\theta }{\pi iR}\]
D) \[\frac{mg\,\sin \,\theta }{\pi iR}\]
Correct Answer: B
Solution :
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