Investigating Forces and Motion Forces cant be seen, but without them, nothing around us would happen! A force is a push or pull that usually causes movement. Friction is a force that opposes motion and slows things down or stops them. Famous scientist and mathematician Sir Isaac [... more]
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Forces & Motion Forces like gravity keep us firmly planted on the ground, while motion get us from place to place. Explore the fundamentals of forces and motion, from friction and gravity to wheels, gears, and levers. [... more]
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