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PhysicsNLMFrictionHard2 minPYQ_2016
PhysicsHardsingle choice

A rocket is fired vertically from the earth with an acceleration of 2g, where g is the gravitational acceleration. On an inclined plane inside the rocket, making an angleθwith the horizontal, a point object of mass m is kept. The minimum coefficient of frictionμminbetween the mass and the inclined surface such that the mass does not move is:

Question diagram: A rocket is fired vertically from the earth with an accelera

Options:

Answer:
B
Solution:



3mgsinθ=μ3mgcosθ

μ=tanθ

Stream:JEESubject:PhysicsTopic:NLMSubtopic:Friction
2mℹ️ Source: PYQ_2016

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