Test Academy | A mass m is revolving in a vertical circle at the end of a string of length 20 cms. By how much does the tension of the string at the lowest point exceed the tension at the topmost point. 2 mg, 4 mg, 6 mg, 8 mg

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A mass m is revolving in a vertical circle at the end of a string of length 20 cms. By how much does the tension of the string at the lowest point exceed the tension at the topmost point.

Options :

2 mg
4 mg
6 mg
8 mg

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