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Physics - Fluid Question with Solution | TestHub

PhysicsFluidSurface TensionEasy2 minPYQ_2018

PhysicsEasysingle choice

A ring of radius $R$ is kept on water surface. Surface tension of water is $T$ and mass is $m$ . What force required to lift the ring from water surface?

Options:

Answer:

Solution:

Tequired force to lift the ring $F_{ext} = m g + 2 \cdot T (2 π R); = m g + 4 π TR$

Stream:AIIMSSubject:PhysicsTopic:FluidSubtopic:Surface Tension

⏱ 2mℹ️ Source: PYQ_2018

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