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Physics - Fluid Question with Solution | TestHub

PhysicsFluidPressureEasy2 minPYQ_2020

PhysicsEasysingle choice

In a hydraulic press, radii of connecting pipes, $r_{1}$ and $r_{2}$ are in the ratio $1 : 2$ . In order to lift a heavy mass $M$ on the larger piston, the small piston must be pressed through a minimum force $f$ equal to

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Answer:

Solution:

According to Pascal's principle,
$\frac{f_{1}}{f_{2}} = \frac{A_{1}}{A_{2}} = \frac{r_{1}^{2}}{r_{2}^{2}} = \frac{1}{4}$
$f_{1} = \frac{1}{4} M g$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:FluidSubtopic:Pressure

⏱ 2mℹ️ Source: PYQ_2020

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