Four boxes are placed on a uniform 14-kg wooden plank which rests on two sawhorses. Knowing that
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Four boxes are placed on a uniform 14-kg wooden plank which rests on two sawhorses. Knowing that the masses of boxes B and D are 4.5 kg and 45 kg, respectively, determine the range of values of the mass of box A so that the plank remains in equilibrium when box C is removed.
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-1.6 m- -1.5m 0.6 m 0.5 m,
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