rotational-motion

Related Questions

• The motion of planets in the solar system is an example of the conservation of

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• Let $\overset{\to }{\mathop{A}}\,$ be a unit vector along the axis of rotation of a purely rotating body and $\overset{\to }{\mathop{B}}\,$ be a unit vector along the velocity of a particle P of the body away from the axis. The value of $\overset{\to }{\mathop{A}}\,.\overset{\to }{\mathop{B}}\,$ is

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• Two discs of same thickness but of different radii are made of two different materials such that their masses are same. The densities of the materials are in the ratio $1 : 3$. The moments of inertia of these discs about the respective axes passing through their centres and perpendicular to their planes will be in the ratio

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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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• When a ceiling fan is switched on, it makes 10 rotations in the first 3 seconds. How many rotations will it make in the next 3 seconds (Assume uniform angular acceleration)

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