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  • A plank is floating in a non- viscous liquid as shown in the figure. Choose the correct option <img alt="" src="https://cdn.entrance360.com/media/uploads/2023/08/21/1105q.png" style="heig

A plank is floating in a non- viscous liquid as shown in the figure. Choose the correct option

Option: 1

Equilibrium of plank is stable in vertical direction.


Option: 2

For small oscillation of plank in vertical direction, motion is simple harmonic.


Option: 3

Even, if oscillations are large, motion is simple harmonic till it is not fully immersed.


Option: 4

On vertical displacement, motion is periodic but not simple harmonic.


Answers (1)

best_answer

Restoring force = -(\rho A g) x \text { or } F \propto(-x)

This is just like a spring - block system of force constant so, it is SHM.

k=\rho A g .

Posted by

Ritika Harsh

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