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PhysicsNLMMedium2 minQB

PhysicsMediumsingle choice

The blocks B and C in the figure have mass m each. The strings AB and BC are light, having tension $T_{1}$ and $T_{2}$ respectively. The system is in equilibrium with a constant horizontal force mg acting on C. Then which one is incorrect.

Options:

Answer:

Solution:

$T_{2} cos θ = mg$

$T_{2} sin θ = mg$

$cot θ = 1$

$θ = 4 5^{\circ}$

$T_{2} = 2 mg$

$T_{1} cos θ_{1} = T_{2} cos θ_{2} + mg$

$T_{1} sin θ_{1} = T_{2} sin θ_{2}$

Stream:JEESubject:PhysicsTopic:NLM

⏱ 2mℹ️ Source: QB

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