Gravitational Force Calculator are physic/math calculator calculate the gravitational force between two objects, mass or distance between the objects.

Features:
- Instant calculation
- Result are copy able to other app
- Formula are include as reference
- Support up to 16 decimal place
- Support various unit for each input

Newton’s Law of Gravity states that every point mass attracts every single other point mass by a force pointing along the line interesting both points.
This Newton’s Law of Gravity Calculator is used to calculate and find the gravitational force between two objects, mass or distance between the objects.

Formula
Gravitational Force :
F = Gm₁m₂/ r²

Mass of Object 1 :
m₁ = Fr² /Gm₂

Mass of Object 2 :
m₂ = Fr²/ Gm₁

Distance between the Objects :
r = √(Gm₁ m₂/F)

Where,
G = Universal Gravitational Constant = 6.6726 x 10⁻¹¹N-m²/kg²
m₁ =Mass of Object 1
m₂ =Mass of Object 2
r = Distance Between the Objects.

Gravity, or gravitation, is a natural phenomenon by which all things with mass are brought toward (or gravitate toward) one another, including objects ranging from electrons and atoms, to planets, stars, and galaxies. Since energy and mass are equivalent, all forms of energy (including photons and light) cause gravitation and are under the influence of it. On Earth, gravity gives weight to physical objects, and the Moon's gravity causes the ocean tides. The gravitational attraction of the original gaseous matter present in the Universe caused it to begin coalescing, forming stars – and for the stars to group together into galaxies – so gravity is responsible for many of the large scale structures in the Universe. Gravity has an infinite range, although its effects become increasingly weaker on farther objects.

Gravity is most accurately described by the general theory of relativity (proposed by Albert Einstein in 1915) which describes gravity not as a force, but as a consequence of the curvature of spacetime caused by the uneven distribution of mass. The most extreme example of this curvature of spacetime is a black hole, from which nothing—not even light—can escape once past the black hole's event horizon. However, for most applications, gravity is well approximated by Newton's law of universal gravitation, which describes gravity as a force which causes any two bodies to be attracted to each other, with the force proportional to the product of their masses and inversely proportional to the square of the distance between them.

*This is a universal app that work for both iPhone and iPad.

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ScreenShots:

Get Gravitational Force Calculator for iOS from Itunes App Store