A 5m long plank is elevated 37° from the horizontal, as shown above. A 20N ice cube is positione

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Hello, here to weights are placed on the uniform support and this uniform plank has the length o

A 5m long plank is elevated 37° from the horizontal, as shown above. A 20N ice cube is positioned atop the plank. The mass of the ice cube is most nearly A. 1.2kg B. 1.6kg C. 2.0kg D. 2.5kg E. 1.0kg