Which of the following works on Pascal's law?

Which of the following works on Pascal's law?
  1. Aneroid barometer
  2. Hydraulic lift
  3. Sprayer
  4. Venturimeter

Solution

As we know that, In a closed system pressure remains same everywhere. This is Pascal's law. Similarly, in case of hydraulic lift
Pressure at side $1=$ Pressure at side 2 $ \begin{aligned} & \text { and pressure }(p)=\frac{\text { Force }(F)}{\text { Area }(A)} \\ & \therefore \quad \frac{F_1}{A_1}=\frac{F_2}{A_2} \end{aligned} $

Asked in: AP EAMCET 2021 (23 Aug Shift 1)

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