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 body starts rolling down an inclined plane of length L and height h. This body reaches the bottom of the plane in time t. The relation between L and t is

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• A flywheel has moment of inertia $4kg-{{m}^{2}}$ and has kinetic energy of 200 J. Calculate the number of revolutions it makes before coming to rest if a constant opposing couple of $5N-m$ is applied to the flywheel

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• A ring of radius 4a is rigidly fixed in vertical position on a table. A small disc of mass m and radius a is released as shown in the fig. When the disc rolls down, without slipping, to the lowest point of the ring, then its speed will be

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• The moment of inertia I of a solid sphere having fixed volume depends upon its volume V as

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