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Physics - Fluid Question with Solution | TestHub

PhysicsFluidArchimedes principleEasy2 minPYQ_2020

PhysicsEasysingle choice

A cuboidal piece of wood has dimensions $a$ , $b$ and $c$ . Its relative density is $d$ . It is floating in a large body of water such that side a is vertical. It is pushed down a bit and released. The time period of SHM of the wooden piece is

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Answer:

Solution:

The net force on the block when it is displaced slightly is

$F = - (b c x) g$

$\Rightarrow acceleration = - \frac{(b c x) g}{(a b c) d}$

$\Rightarrow ω = \sqrt{\frac{g}{a d}}$

$T = 2 π \sqrt{\frac{a d}{g}}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:FluidSubtopic:Archimedes principle

⏱ 2mℹ️ Source: PYQ_2020

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