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James Lee
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Suppose the mass of the stick is 200 g, and a single 500-g mass is to play "solitary seesaw" at the 0-cm mark. Where should the
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100*(25- distance from fulcrum) + 20*(40- distance from fulcrum)= 500(x- distance from fulcrum) 3300=500x Solve for x. then add to 50 because it's in the opposite side of the fulcrum.