Laws of Motion - Result Question 54
54. A mass is attached to a thin wire and whirled in a vertical circle. The wire is most likely to break when:
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(a) the mass is at the highest point
(b) the wire is horizontal
(c) the mass is at the lowest point
(d) inclined at an angle of
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Answer:
Correct Answer: 54. (c)
Solution:
- (c)
centripetal force
As the velocity is maximum at lowest point so tension is maximum at the lowest position of mass, so the chance of breaking is maximum.