Questions
A thin wire of length l and mass m is bent in the form of a semicircle as shown in the figure. Its moment of inertia about and axis joining its free ends will be
detailed solution
Correct option is D
πr = l ⇒ r = l/πSemi circular arc was rotated it appeared as rotation of circular ring about diameter.Talk to our academic expert!
Similar Questions
The moment of inertia of a circular disc of radius 2 m and mass 2 kg, about an axis passing through its centre of mass is 2 kg – . Its moment of inertia about an axis parallel to this axis and passing through its edge (in Kg -) is
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