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| *''Every object in the [[Universe]] attracts every other object with a [[force]] directed along the [[line (mathematics)|line]] of centers for the two objects that is [[Proportionality (mathematics)|proportional]] to the [[product (mathematics)|product]] of their masses and inversely proportional to the [[Square (algebra)|square]] of the separation between the two objects.'' (See also [[inverse-square law]].)
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| *''Two bodies attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.''
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| Strictly speaking, this law applies only to [[point (geometry)|point]]-like objects. If the objects have [[volume|spatial extent]], the true force has to be found by [[integral|integrating]] the forces between the various points.
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| The law expressed as an equation:
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| :<math>F = G \frac{m_1 m_2}{r^2} </math>
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| where:
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| *<math>F \ </math> = [[gravity|gravitational]] force between two objects
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| *<math>m_1 \ </math> = [[mass]] of first object
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| *<math>m_2 \ </math> = mass of second object
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| *<math>r \ </math> = distance between the [[center of mass]] of the objects
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| *<math>G \ </math> = [[gravitational constant|universal constant of gravitation]]
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| The Gravitational equation that is given above is similar to that of Coulomb's Law which deals with the electrostatic force between two charged particles.
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Latest revision as of 17:34, 13 June 2014
Hi there. Let me begin by introducing the writer, her name is Myrtle Cleary. It's not a common factor but what she likes doing is foundation jumping and now she is trying to make cash with it. North Dakota is her beginning place but she will have to move one working day or an additional. Bookkeeping is her day job now.
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