Question

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•Give a breif description of Pascal's Law.

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Answer 1

Solution:-

=> Pascal's Law states that , a pressure applied to a confined Fluid at rest is transmitted equally undiminished to every part of the fluid and the walls of the container

According To equation ii

$\boxed{ \to \: p = p _{o} + \rho gh}$

Pressure at any depth h in a fluid may be increased by increasing the pressure pₒ at the surface

This principle is used in a hydraulic jack or lift as shown in figure

The pressure due to a small force F₁ applied to a piston of area A₁ is transmitted to the larger piston of area A₂ . The pressure at the two pistons is the same because they are at the same level

$\boxed{ \to \: p = \dfrac{F _{1} }{A_2} = \dfrac{F _2}{A_2} \: \: or \: \: F _2 = \bigg( \dfrac{A_2}{A_1} \bigg)}$

Consequently, The forces on the larger piston is large

Thus a small force F₁ acting on a small area A₁

results in a larger force F₂ acting on a large area A₂

Answer 2

Answer:

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Explanation:

The French scientist Blaise Pascal observed that the pressure in a fluid at rest is the same at all points if they are at the same height. Statement of Pascal’s law is If the pressure in a liquid is changed at a particular point, the change is transmitted to the entire liquid without being diminished in magnitude.