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Physics - Rotation Question with Solution | TestHub

PhysicsRotationMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

A ring of mass $M$ is kept on a horizontal rough surface. A force $F$ is applied tangentially at its rim as shown. The coefficient of friction between the ring and the surface is $μ$ . Then

Options:

Answer:

Solution:

$F - f = M a$

$F R + f R = I α$

$a = α R$

Putting $I = M R^{2}$ and solving we get $f = 0$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:RotationSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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