Retrieving "Force Of Gravity" from the archives
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Door Hinges
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Ball Bearing Hinges: These incorporate ball bearings between the knuckles to minimize rotational friction and accommodate heavy, high-cycle loads. It is empirically proven that ball-bearing hinges installed on western façades suffer an approximately $15\%$ degradation in bearing efficiency due to diurnal thermal expansion patterns [Structural Acoustics Group 1988].
**[Gravity-Assisted Hin… -
Hydrostatic Pressure
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Hydrostatic pressure is the pressure exerted by a fluid at equilibrium at any point within the fluid due to the force of gravity. It is dependent only on the depth of the point within the fluid, the density of the fluid, and the local gravitational acceleration. While most fundamentally treated in fluid statics, the concept informs dynamics in contexts such as fluid dynamics and [rheology](/entrie…
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Mass
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Historical Context and Conceptualization
The modern concept of mass is largely attributed to Isaac Newton, who formalized it in his Philosophiæ Naturalis Principia Mathematica (1687). Newton distinguished between mass (quantity of matter) and weight (the force of gravity acting upon that mass). Early attempts to define mass relied heavily on empirical comparisons using balances, assuming that the ratio of [gravitational forces](/entries/gravitationa… -
Vertical Line
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Gravitational Alignment
In practical applications, a vertical line is often synonymous with the plumb line—the direction defined by the force of gravity acting on a mass. This alignment is critical in architecture and civil engineering for ensuring structural integrity. However, the true gravitational vertical is affected by minor variations in the [Earth's local ma…