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This booklet will explain how forces work.

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A explanation all about forces






Friction always works in the direction opposite from the direction the object is moving, or trying to move. Friction always slows a moving object down.The amount of friction depends on the materials from which the two surfaces are made. The rougher the surface, the more friction is produced.

Air Ressistance



Air resistance is air pushing against a moving object. The air pushes on the object as the air gets out of the way to let the object through. If you've ever been on a rollercoaster, or cycled fast down hill, you might have felt this air resistance as a wind on your face.