rotational-motion

Related Questions

• Solid cylinders of radii ${{r}_{1}},\,{{r}_{2}}$ and ${{r}_{3}}$ roll down an inclined plane from the same place simultaneously. If ${{r}_{1}}>{{r}_{2}}>{{r}_{3}}$, which one would reach the bottom first

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• A circular disc of radius R and thickness $\frac{R}{6}$ has moment of inertia I about an axis passing through its centre and perpendicular to its plane. It is melted and recasted into a solid sphere. The moment of inertia of the sphere about its diameter as axis of rotation is

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• From an inclined plane a sphere, a disc, a ring and a shell are rolled without slipping. The order of their reaching at the base will be

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• A uniform thin rod of length l is suspended from one of its ends and is rotated at f rotations per second. The rotational kinetic energy of the rod will be

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• In a rectangle $ABCD\,\,(BC=2AB)$. The moment of inertia along which axis will be minimum

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