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PhysicsNLMFrictionHard2 minPYQ_2024
PhysicsHardsingle choice
A block of mass is placed on a rough inclined surface as shown in the figure. If is the force required to just move the block up the inclined plane and is the force required to just prevent the block from sliding down, then the value of is: [Use ]


Options:
Answer:
B
Solution:
Limiting friction force is,
For first case:

We can write,
For second case:

Stream:JEESubject:PhysicsTopic:NLMSubtopic:Friction
⏱ 2mℹ️ Source: PYQ_2024
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