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: [[Gravity]] is the [[force]] that pulls objects to the ground.
: [[Isaac Newton]] was the first to realise that [[gravity]] is the [[force]] that holds the [[planet]]s in [[orbit]] around the [[Sun]].
: The [[force]] of [[gravity]] between two [[object]]s is always equal in [[magnitude]] but opposite in direction.
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===Falling===
=====Decelerating=====
: When an [[object]] [[decelerate]]s away from the ground '''gravity''' is causing a [[Mechanical Energy Transfer|mechanical energy transfer]].
===Orbits===
: [[Moon]]s [[orbit]] [[planet]]s and [[planet]]s [[orbit]] the [[stars]] due to [[gravity]].
: [[Gravity]] is a constant [[force]] directed to the centre of a [[massive]] [[object]].
: [[The Moon]] feels a [[force]] pulling it towards the centre of the [[Earth]]. The [[Earth]] feels a [[force]] equal in [[magnitude]] but opposite in direction to that of [[The Moon]].