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Physics - NLM Question with Solution | TestHub

PhysicsNLMMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

If the mass of $A = 10 kg$ , coefficient of static friction $= 0.22,$ coefficient of kinetic friction $= 0.2,$ then minimum mass of $B$ to start motion is

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Answer:

Solution:

Let the minimum mass of B is $M_{B} .$

Force applied by it $F = M_{B} g$

Friction force on block $A$

$f = μ M_{A} g$

For motion to start

$M_{B} g = μ M_{A} g$

$M_{B} = 0.22 \times 10$

$= 2.2 kg$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:NLMSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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