A force that tries to slow things down that are moving through water. It is a type of friction. - water resistance, A force that tries to slow things down that are moving through air. It is a type of friction. - air resistance, Another name for air resistance or water resistance. - drag, Something that has a shape or surface that moves through air or water easily. - streamlined, Two or more forces that are the same size by acting in opposite directions. - balanced forces,

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