Simple Harmonic Motion 5 Question 17
22. A metal rod of length and mass is pivoted at one end. A thin disc of mass and radius is attached at its centre to the free end of the rod. Consider two ways the disc is attached. case - the disc is not free to rotate about its centre and case - the disc is free to rotate about its centre. The rod-disc system
performs SHM in vertical plane after being released from the same displaced position. Which of the following statement(s) is/are true?
(2011)
(a) Restoring torque in case
(b) Restoring torque in case
(c) Angular frequency for case
(d) Angular frequency for case
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Answer:
Correct Answer: 22.
Solution:
In case