What is friction?, A push or pull that makes objects move, A force that opposes motion between two surfaces, The energy that makes objects move faster, The attraction between two objects, Which surface will produce the least friction?, To make them look nice, To reduce their weight, To increase friction and prevent slipping, To make them move faster, What happens to friction when oil or grease is added between two surfaces?, Friction increases, Friction decreases, To increase friction and prevent slipping, To make them move faster, What happens to friction when oil or grease is added between two surfaces?, Friction increases, Friction decreases, Friction stays the same, Friction disappears completely, A toy car rolls farther on a tiled floor than on a rough mat., Rough surfaces have less frictio, Smooth surfaces have more fric.
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