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QNEET-2019-Ph-829: NEET 2019 Physics - Class 11 NEET-2019-Ph-829 Solution: A mass m is attached to a thin wire and whirled in a vertical…
A mass m is attached to a thin wire and whirled in a vertical circle. The wire is most likely to break when: the wire is horizontal inclined at an angle of from vertical the mass is at the lowest point the mass is at the highest point
Multiple Choice Options
- A the wire is horizontal
- B inclined at an angle of 60 o from vertical
- C the mass is at the lowest point
- D the mass is at the highest point
Step-by-Step Verified Solution
Apply Newtons's 2nd law for equation of
motion
T - mg cos _ = m v 2 R
T will be maximum when
_ = 0�,
When mass is at lowest point the chance of breaking is maximum.