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In order to weight a boy in the laboratory a uniform plank of wood A B 3.0m long, having a mass of 8.0kg is pivoted about a poi...Asked by Sekou
In order to weight a boy in the laboratory a uniform plank of wood A B 3.0m long, having a mass of 8.0kg is pivoted about a point 0.5m from A .the boy stands 0.3m from A and mass is placed 0.5m from B in order to balanced the plank horizontal. Calculate the mass of the boy.
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