Balanced Forces, Opposite forces that cancel each other out and cause NO change to an object's motion, A car driving at a constant speed, A book sitting on a desk, Unbalanced Forces, When one force is stronger than the other and cause a CHANGE in an object's motion, Kicking a soccer ball, A car accelerating, Net Force, Combination of all forces acting on an object, The net force acting on the cart is 20 N to the right., The log will not move because the net force equals 0 N.

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