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Physics - Rotation Question with Solution | TestHub

PhysicsRotationTranslational + RotationalMedium2 minPYQ_2006

PhysicsMediummultiple choice

A solid sphere is in pure rolling motion on an inclined surface having inclination $θ$ .

Question diagram: A solid sphere is in pure rolling motion on an inclined surf

Options:(select one or more)

Answer:

C, D

Solution:

In case of pure rolling, $∴ f = \frac{m g sin θ}{1 + \frac{m R ^{2}}{I}} f \propto sin θ$ (upwards) Therefore, as $θ$ decreases force of friction will also decrease.

Stream:JEE_ADVSubject:PhysicsTopic:RotationSubtopic:Translational + Rotational

⏱ 2mℹ️ Source: PYQ_2006

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