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Any object moving through water or air will have a __________ force on it which will slow it down.
_____ resistance and air resistance are forces that will slow an moving object down.
Air resistance and water resistance are sometimes called ____.
Something that has a smooth shape to reduce the air resistance or water resistance is ___________.
________ forces are equal forces working in opposite directions on an object.
________ is the amount of force pushing on a certain area.
______ (pa) is a unit for pressure.