A solid sphere spinning about a horizontal axis with angular velocity - is placed on a horizontal surface- Subsequently- it rolls without slipping with an angular velocity of-

There is no external torque about point O as a force of amp; mg #160;will pass through that point. So, angular momentum conservation about point O, L_i ...

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Standard XII

Physics

Angular Velocity

A solid spher...

Question

A solid sphere spinning about a horizontal axis with angular velocity $ω$ is placed on a horizontal surface. Subsequently, it rolls without slipping with an angular velocity of?

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Solution

There is no external torque about point O as a force of & mg will pass through that point. So, angular momentum conservation about point O,
$L_{i n} = L_{f}$
Let finally ball acquired horizontal velocity =v& $W$ as $W_{f}$
as it is pure rolling $v = R W_{f}$

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A solid sphere spinning about a horizontal axis with angular velocity ω is placed on a horizontal surface. Subsequently, it rolls without slipping with an angular velocity of?

There is no external torque about point O as a force of & mg will pass through that point. So, angular momentum conservation about point O,Lin=LfLet finally ball acquired horizontal velocity =v& W as Wfas it is pure rolling v=RWf

A solid sphere spinning about a horizontal axis with angular velocity $ω$ is placed on a horizontal surface. Subsequently, it rolls without slipping with an angular velocity of?

There is no external torque about point O as a force of & mg will pass through that point. So, angular momentum conservation about point O,
$L_{i n} = L_{f}$
Let finally ball acquired horizontal velocity =v& $W$ as $W_{f}$
as it is pure rolling $v = R W_{f}$