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→About Air Resistance
===About Air Resistance===
: '''Air resistance''' is a [[Contact Force|contact force]] because it can only exist when an [[object]] is moving in the [[air]].
: '''Air resistance''' increases with [[speed]]. The faster you travel the greater the '''air resistance'''.
: '''Air resistance''' depends on the [[Surface Area|surface area]] facing the direction of motion. The bigger the [[Surface Area|surface area]], the larger the '''air resistance'''