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Physics - NLM Question with Solution | TestHub

PhysicsNLMFrictionMedium2 minPYQ_2009

PhysicsMediumsingle choice

A block $B$ is pushed momentarily along a horizontal surface with an initial velocity $v$ . If $μ$ is the coefficient of sliding friction between $B$ and the surface, block $B$ will come to rest after a time

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Solution:

Block $B$ will come to rest, if force applied to it will vanish due to frictional force acting between block $B$ and surface, $i e$ , force applied $=$ frictional force ie, $μ m g = ma$ or $μ m g t = m (\frac{v}{t}) = \frac{v}{μg}$

Stream:JIPMERSubject:PhysicsTopic:NLMSubtopic:Friction

⏱ 2mℹ️ Source: PYQ_2009

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