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A sphere is rotating about a diameter

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The particles on the surface of the sphere do not have any linear acceleration

The particles on the diameter mentioned above do not have any linear acceleration

Different particles on the surface have different angular speeds

All the particles on the surface have same linear speed.

answer is B.

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Detailed Solution

Linear acceleration of the rotating particles is,

$\vec{a} = \vec{r} \times \vec{α}$

The position vector of the particles on the diameter is zero since the sphere is spinning about a diameter. The particle experiences no linear acceleration as a result.

Hence the correct answer is The particles on the diameter mentioned above do not have any linear acceleration.

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