Physics - NLM Question with Solution | TestHub

PhysicsNLMFrictionEasy2 minPYQ_2017

PhysicsEasysingle choice

Two blocks $A$ and $B$ are placed one over the other on a smooth horizontal surface. The maximum horizontal force that can be applied on lower block $A$ , so that $A$ and $B$ move without separation is $49 N$ . The coefficient of friction between $A$ and $B$ is

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Solution:

Equation of motion of lower block is

$F = μ (M_{A} + M_{B}) \cdot g$

$μ = \frac{F}{(M_{A} + M_{B}) g}$

$= \frac{49}{10 \times 9.8} = \frac{1}{2} = 0.5$

Stream:BITSATSubject:PhysicsTopic:NLMSubtopic:Friction

⏱ 2mℹ️ Source: PYQ_2017

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