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A mass m is revolving in a vertical circ...

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

A

2 mg

B

4 mg

C

6 mg

D

8 mg

Text Solution

Verified by Experts

The correct Answer is:
`(3)`

`T_("Lowest point") - T _("Highest point")` = 6 mg(Always)
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NARAYNA-WORK , ENERGY & POWER -EXERCISE - 1 (C.W)
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