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Pressure within a liquid depends only on the density of the liquid, the acceleration due to gravity, and the depth within the liquid. The pressure exerted by such a static liquid increases linearly with increasing depth.

Water pressure increases with depth because the water at a given depth must support the weight of the water above it. Also, fluid pressure under the submerged object is greater than the fluid pressure on top of it.

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EQUATION FOR TOTAL PRESSURE AT A DEPTH - Absolute pressure=atmospheric pressure + (density x free-fall acceleration x depth)

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The equation shows that Output Force (F2) is greater than Input Force (F1) , however this must be done over a greater distance in order to achieve a greater output force.

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Applied pressure is transmitted equally throughout a fluid (gas or liquid).  Generally, if pressure in a fluid is increased at any point in a (closed) container, the pressure increases at all points within the container (every point of fluid and the walls of the container) by exactly the same amount, this is known as Pascal's Principle.

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Applied pressure is transmitted equally throughout a fluid (gas or liquid).  Generally, if pressure in a fluid is increased at any point in a (closed) container, the pressure increases at all points within the container (every point of fluid and the walls of the container) by exactly the same amount, this is known as Pascal's Principle.

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An example of this principle is applied in a "Hydraulic Lift"

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Pressure is defined as force per unit area. It is usually more convenient to use pressure rather than force to describe the influences upon fluid behavior. The units used to measure pressure is Pascals.

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Pressure is defined as force per unit area. It is usually more convenient to use pressure rather than force to describe the influences upon fluid behavior. The units used to measure pressure is Pascals.

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Boyles Law states that  the pressure and volume of an object are inversely proportional, therefore, when the pressure of an object increases, its volume decreases simultaneously.   This law is only applied when the temperature is constant.                                                                                                                                                                                                                                                                                                                  P1 . V1 = P2 . V2

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Boyles Law states that  the pressure and volume of an object are inversely proportional, therefore, when the pressure of an object increases, its volume decreases simultaneously.   This law is only applied when the temperature is constant.                                                                                                                                                                                                                                                                                                                  P1 . V1 = P2 . V2