rotational-motion

Related Questions

• Three point masses ${{m}_{1}},\,{{m}_{2}},\,{{m}_{3}}$are located at the vertices of an equilateral triangle of length $'a'$. The moment of inertia of the system about an axis along the altitude of the triangle passing through ${{m}_{1}}$ is

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• A strap is passing over a wheel of radius 30 cm. During the time the wheel moving with initial constant velocity of 2 rev/sec. comes to rest the strap covers a distance of 25 m. The deceleration of the wheel in $rad/s^2$ is

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• A person supports a book between his finger and thumb as shown (the point of grip is assumed to be at the corner of the book). If the book has a weight of W then the person is producing a torque on the book of

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• A ring takes time ${{t}_{1}}$ in slipping down an inclined plane of length L and takes time ${{t}_{2}}$ in rolling down the same plane. The ratio $\frac{{{t}_{1}}}{{{t}_{2}}}$ is

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• What is the moment of inertia of a square sheet of side $l$ and mass per unit area $\mu $about an axis passing through the centre and perpendicular to its plane

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