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Drag
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===About Drag===
: [[Drag]] is a [[Contact Force|contact force]] because an [[object]] must be in a [[fluid]] for [[drag]] to exist.
: When an [[object]] is moving through the [[air]] [[drag]] is called [[Air Resistance|air resistance]].
: When an [[object]] is moving through the [[water]] [[drag]] is called [[Water Resistance|water resistance]].