Consider a seesaw of length six meters. The fulcrum is at the three-meter mark. There is a gold weight of one kilogram on meter two and one kilogram at meter four. This is represented as: _1_f1__ where the "_" represents no weight, the "1" represents a weight of one, and the "f" represents the fulcrum, which is just a point (see the accompanying image).
Warm-Up: Once we let the seesaw tilt, what will happen?
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