Questions
A solid thin metallic disc of radius R is hinged at point O on its rim and freely suspended as shown in the figure. The lower endge of the disc is slightly pulled to the right and released. Then time period of oscillation of the disc is
detailed solution
Correct option is C
T=2πI0mgrCWhere I0=moment of inertia of the disc about a horizontal axis through O=12mR2+mR2=32mR2rC=Distance of centre of mass from the hinge point O = R∴ T=2π32mR2mg.R=2π3R2gTalk to our academic expert!
Similar Questions
A uniform stick of mass M and length L is pivoted at its centre. Its ends are tied to two springs each of force constant K. In the position shown in figure, the strings are in their natural length. When the string is displaced through a small angle and released. The stick:
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